KOPPERS HOLDINGS INC. 1,610,000 Shares Common Stock ($0.01 par value per Share) Underwriting Agreement

Exhibit 99.1

EXECUTION COPY

KOPPERS HOLDINGS INC.

1,610,000 Shares

Common Stock

($0.01 par value per Share)

Underwriting Agreement

February 26, 2007

Credit Suisse Securities (USA) LLC

Eleven Xxxxxxx Xxxxxx

Xxx Xxxx, XX 00000

Ladies and Gentlemen:

Each person or entity identified as a selling stockholder, in Schedule C annexed hereto (each, a “Selling Stockholder”) proposes to sell to Credit Suisse Securities (USA) LLC (the “Underwriter”), an aggregate of 1,610,000 shares (the “Firm Shares”) of common stock, $0.01 par value per share (the “Common Stock”), of Koppers Holdings Inc. a Pennsylvania corporation (the “Company”). The number of Firm Shares to be sold by each Selling Stockholder is the number of Firm Shares set forth opposite the name of such Selling Stockholder in Schedule C annexed hereto. In addition, solely for the purpose of covering over-allotments, the Selling Stockholders identified as “Saratoga Selling Stockholders” in Schedule C annexed hereto (the “Saratoga Selling Stockholders”) propose to grant to the Underwriter the option to purchase from the Saratoga Selling Stockholders up to an additional 241,500 shares of Common Stock (the “Additional Shares”). The Firm Shares and the Additional Shares are hereinafter collectively sometimes referred to as the “Shares.” The Shares are described in the Prospectus which is referred to below.

The Company has prepared and filed, in accordance with the provisions of the Securities Act of 1933, as amended, and the rules and regulations thereunder (collectively, the “Act”), with the Securities and Exchange Commission (the “Commission”) a registration statement on Form S-3 (File No. 333-136329) under the Act (the “registration statement”), including a prospectus, which registration statement incorporates by reference documents which the Company has filed, or will file, in accordance with the provisions of the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder (collectively, the “Exchange Act”). Amendments to such registration statement, if necessary or appropriate, have been similarly prepared and filed with the Commission in accordance with the Act. Such registration statement, as so amended, has become effective under the Act.

Except where the context otherwise requires, “Registration Statement,” as used herein, means the registration statement, as amended at the time of such registration statement’s effectiveness for purposes of Section 11 of the Act, as such section applies to the Underwriter (the “Effective Time”), including (i) all documents filed as a part thereof or incorporated or deemed to be incorporated by reference therein, (ii) any information contained or incorporated by reference in a prospectus filed with the Commission pursuant to Rule 424(b) under the Act, to the extent such information is deemed, pursuant to Rule 430B or Rule 430C

under the Act, to be part of the registration statement at the Effective Time, and (iii) any registration statement filed to register the offer and sale of Shares pursuant to Rule 462(b) under the Act.

Except where the context otherwise requires, “Pre-Pricing Prospectus,” as used herein, means the basic prospectus included in the Registration Statement as of the date hereof, including all documents incorporated by reference therein. Except where the context otherwise requires, “Basic Prospectus,” as used herein, means any such basic prospectus furnished to you by the Company and attached to or used with the Prospectus Supplement (as defined below).

Except where the context otherwise requires, “Prospectus Supplement,” as used herein, means the final prospectus supplement, relating to the Shares, filed by the Company with the Commission pursuant to Rule 424(b) under the Act on or before the second business day after the date hereof (or such earlier time as may be required under the Act), in the form furnished by the Company to you for use by the Underwriter and by dealers in connection with the offering of the Shares.

Except where the context otherwise requires, “Prospectus,” as used herein, means the Prospectus Supplement together with the Basic Prospectus attached to or used with the Prospectus Supplement.

“Disclosure Package,” as used herein, means the Pre-Pricing Prospectus and the Price to Investors.

“Price to Investors,” as used herein, means as to each investor in the Shares, the price per share paid by such investor and the number of shares purchased by such investor.

Any reference herein to the registration statement, the Registration Statement, the Basic Prospectus, the Pre-Pricing Prospectus, the Prospectus Supplement or the Prospectus shall be deemed to refer to and include the documents, if any, incorporated by reference, or deemed to be incorporated by reference, therein (the “Incorporated Documents”), including, unless the context otherwise requires, the documents, if any, filed as exhibits to such Incorporated Documents. Any reference herein to the terms “amend,” “amendment” or “supplement” with respect to the Registration Statement, the Basic Prospectus, the Pre-Pricing Prospectus, the Prospectus Supplement or the Prospectus shall be deemed to refer to and include the filing of any document under the Exchange Act on or after the initial effective date of the Registration Statement, or the date of the Basic Prospectus, the Pre-Pricing Prospectus, the Prospectus Supplement or the Prospectus, and deemed to be incorporated therein by reference.

As used in this Agreement, “business day” shall mean a day on which the New York Stock Exchange (the “NYSE”) is open for trading. The terms “herein,” “hereof,” “hereto,” “hereinafter” and similar terms, as used in this Agreement, shall in each case refer to this Agreement as a whole and not to any particular section, paragraph, sentence or other subdivision of this Agreement. The term “or,” as used herein, is not exclusive.

The Company, each of the Selling Stockholders and the Underwriter agree as follows:

1. Sale and Purchase. Upon the basis of the representations and warranties and subject to the terms and conditions herein set forth, each of the Selling Stockholders agrees to sell, in each case severally and not jointly, to the Underwriter, and the Underwriter agrees to purchase from each Selling Stockholder, the number of Firm Shares set forth in Schedule C annexed hereto, subject to adjustment in accordance with Section 11 hereof, in each case at a purchase price of $25.12 per Share. The Company is advised by you that the Underwriter intends (i) to make a public offering of their respective portions of the Firm Shares as soon after the effectiveness of this Agreement as in your judgment is advisable and (ii) initially to offer the Firm Shares upon the terms set forth in the Prospectus. You may from time to time increase or decrease the public offering price after the initial public offering to such extent as you may determine.

In addition, the Saratoga Selling Stockholders, in each case severally and not jointly, hereby grant to the Underwriter the option (the “Over-Allotment Option”) to purchase, and upon the basis of the representations and warranties and subject to the terms and conditions herein set forth, the Underwriter shall have the right to purchase from the Saratoga Selling Stockholders all or a portion of the Additional Shares as may be necessary to cover over-allotments made in connection with the offering of the Firm Shares, at the same purchase price per share to be paid by the Underwriter to the Selling Stockholders for the Firm Shares. The Over-Allotment Option may be exercised by the Underwriter at any time and from time to time on or before the thirtieth day following the date of the Prospectus Supplement, by written notice to the Saratoga Selling Stockholders. Such notice shall set forth the aggregate number of Additional Shares as to which the Over-Allotment Option is being exercised and the date and time when the Additional Shares are to be delivered (any such date and time being herein referred to as an “additional time of purchase”); provided, however, that no additional time of purchase shall be earlier than the “time of purchase” (as defined below) nor earlier than the second business day after the date on which the Over-Allotment Option shall have been exercised nor later than the tenth business day after the date on which the Over-Allotment Option shall have been exercised. The number of Additional Shares to be sold to the Underwriter shall be subject to adjustment in accordance with Section 11 hereof. Upon any exercise of the Over-Allotment Option, the number of Additional Shares to be purchased from each Saratoga Selling Stockholder shall be the number which bears the same proportion to the aggregate number of Additional Shares being purchased as the number of Additional Shares set forth opposite the name of such Saratoga Selling Stockholder in Schedule C annexed hereto bears to the total number of Additional Shares in Schedule C, subject, in each case, to such adjustment as the Underwriter may determine solely to eliminate fractional shares.

Pursuant to Custody Agreements between each Selling Stockholder and Mellon Investor Services LLC dated February 26, 2007 (each, a “Custody Agreement”), Mellon Investor Services LLC shall act as representative of the Selling Stockholders. The foregoing representative (the “Representative of the Selling Stockholders”) is authorized to cause all or any portion of the Shares to be transferred on the books of the Company into such names as the Underwriter shall have instructed in writing and to make appropriate book-entry transfers representing such Shares for the account of the Underwriter, to receive the proceeds of the sale of such Shares, to give receipts for such proceeds, to pay therefrom the expenses to be borne by such Selling Stockholder in connection with the sale and public offering of the Shares, to distribute the balance of such proceeds to such Selling Stockholder, to receive notices on behalf

of such Selling Stockholder and to take such other action as may be necessary or desirable in connection with the transactions contemplated by this Agreement.

2. Payment and Delivery. Payment of the purchase price for the Firm Shares shall be made to each Selling Stockholder by Federal Funds wire transfer against delivery of the certificates for the Firm Shares to you through the facilities of The Depository Trust Company (“DTC”) for the account of the Underwriter. Such payment and delivery shall be made at 10:00 A.M., New York City time, on March 2, 2007 (unless another time shall be agreed to by you and the Representative of the Selling Stockholders or unless postponed in accordance with the provisions of Section 11 hereof). The time at which such payment and delivery are to be made is hereinafter sometimes called the “time of purchase.” Electronic transfer of the Firm Shares shall be made to you at the time of purchase in such names and in such denominations as you shall specify.

Payment of the purchase price for the Additional Shares shall be made at the additional time of purchase in the same manner and at the same office as the payment for the Firm Shares. Electronic transfer of the Additional Shares shall be made to you at the additional time of purchase in such names and in such denominations as you shall specify.

Deliveries of the documents described in Section 9 hereof with respect to the purchase of the Shares shall be made at the offices of Cravath, Swaine & Xxxxx LLP at 000 Xxxxxx Xxxxxx, Xxx Xxxx, XX 00000, at 9:00 A.M., New York City time, on the date of the closing of the purchase of the Firm Shares.

3. Representations and Warranties of the Company. The Company represents and warrants to and agrees with the Underwriter that:

(a) the Registration Statement has heretofore become effective under the Act or, with respect to any registration statement to be filed to register the offer and sale of Shares pursuant to Rule 462(b) under the Act, will be filed with the Commission and become effective under the Act no later than 10:00 P.M., New York City time, on the date of determination of the public offering price for the Shares; no stop order of the Commission preventing or suspending the use of the Basic Prospectus, the Pre-Pricing Prospectus, the Prospectus Supplement or the Prospectus, or the effectiveness of the Registration Statement, has been issued, and no proceedings for such purpose have been instituted or, to the Company’s knowledge, are contemplated by the Commission;

(b) the Registration Statement complied when it became effective, complies as of the date hereof and, as amended or supplemented, at the time of purchase, each additional time of purchase, if any, and at all times during which a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares, will comply, in all material respects, with the requirements of the Act; the conditions to the use of Form S-3 in connection with the offering and sale of the Shares as contemplated hereby have been satisfied; the Registration Statement meets, and the offering and sale of the Shares as contemplated hereby complies with, in all material respects the requirements of Rule 415 under the Act; the Registration Statement did not, as of the Effective Time, contain an

untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading; the Pre-Pricing Prospectus complied, at the time it was filed with the Commission, and complies as of the date hereof, in all material respects with the requirements of the Act; at no time during the period that begins on the earlier of the date of the Pre-Pricing Prospectus and the date the Pre-Pricing Prospectus was filed with the Commission and ends at the time of purchase did or will the Pre-Pricing Prospectus, as then amended or supplemented, taken together with the Price to Investors, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, and at no time during such period did or will the Pre-Pricing Prospectus, as then amended or supplemented, taken together with the Price to Investors, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; the Basic Prospectus complied or will comply, as of its date and the date it was or will be filed with the Commission, complies as of the date hereof (if filed with the Commission on or prior to the date hereof) and, at the time of purchase, each additional time of purchase, if any, and at all times during which a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares, will comply, in all material respects, with the requirements of the Act; at no time during the period that begins on the earlier of the date of the Basic Prospectus and the date the Basic Prospectus was filed with the Commission and ends at the time of purchase did or will the Basic Prospectus, as then amended or supplemented, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, and at no time during such period did or will the Basic Prospectus, as then amended or supplemented, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; each of the Prospectus Supplement and the Prospectus will comply, as of the date that it is filed with the Commission, the date of the Prospectus Supplement, the time of purchase, each additional time of purchase, if any, and at all times during which a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares, in all material respects, with the requirements of the Act (in the case of the Prospectus, including, without limitation, Section 10(a) of the Act); at no time during the period that begins on the earlier of the date of the Prospectus Supplement and the date the Prospectus Supplement is filed with the Commission and ends at the later of the time of purchase, each additional time of purchase, if any, and the end of the period during which a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares did or will any Prospectus Supplement or the Prospectus, as then amended or supplemented, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided, however, that the Company makes no representation or warranty in this Section 3(b) with respect to any statement

contained in the Registration Statement, the Pre-Pricing Prospectus or the Prospectus in reliance upon and in conformity with information concerning the Underwriter and furnished in writing by or on behalf of the Underwriter through you to the Company expressly for use in the Registration Statement, the Pre-Pricing Prospectus or the Prospectus; each Incorporated Document, at the time such document was filed with the Commission or at the time such document became effective, as applicable, complied, in all material respects, with the requirements of the Exchange Act and did not include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading;

(c) prior to the execution of this Agreement, the Company has not, directly or indirectly, used any “prospectus” (within the meaning of the Act) in connection with the offer or sale of the Shares, in each case other than the Pre-Pricing Prospectus;

(d) the Company has been duly incorporated and is an existing corporation in good standing under the laws of the Commonwealth of Pennsylvania, with corporate power and authority to own its properties and conduct its business as described in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus; and the Company is duly qualified to do business as a foreign corporation in good standing in all other jurisdictions in which its ownership or lease of property or the conduct of its business requires such qualification, except where the failure to be so qualified or in good standing would not, individually or in the aggregate, have a material adverse effect on the condition (financial or otherwise), business, properties, prospects or results of operations of the Company and the Subsidiaries (as defined below) taken as a whole (a “Material Adverse Effect”);

(e) each subsidiary of the Company has been duly incorporated or formed and is an existing corporation or other entity in good standing under the laws of the jurisdiction of its incorporation or formation, with corporate power and authority to own its properties and conduct its business as described in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus; each Subsidiary is duly qualified to do business as a foreign corporation or other entity in good standing in all other jurisdictions in which its ownership or lease of property or the conduct of its business requires such qualification, except where the failure to be so qualified or to be in good standing would not, individually or in the aggregate, result in a Material Adverse Effect; all of the issued and outstanding capital stock or other ownership interest of each of the Subsidiaries has been duly authorized and validly issued and is fully paid and nonassessable; the capital stock or other ownership interest of the Subsidiaries is owned free from liens, encumbrances and defects other than liens and encumbrances pursuant to Koppers Inc.’s senior secured credit facility and senior secured notes; and the entities listed on Schedule D annexed hereto are the only subsidiaries, direct or indirect, of the Company (collectively, the “Subsidiaries”);

(f) the Shares and all other outstanding shares of capital stock of the Company have been duly authorized and have been validly issued, fully paid and nonassessable and conform, in all material respects, to the description thereof contained or incorporated by

reference in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus; and the shareholders of the Company have no preemptive rights with respect to the Shares;

(g) as of the date of this Agreement, the Company has an authorized and outstanding capitalization as set forth in the sections of the Registration Statement, the Pre-Pricing Prospectus and the Prospectus entitled “Description of Capital Stock” and “The Offering”, and, as of the time of purchase, the Company shall have an authorized and outstanding capitalization as set forth in the section of the Registration Statement, the Pre-Pricing Prospectus and the Prospectus entitled “Description of Capital Stock” and “The Offering”;

(h) except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, there are no contracts, agreements or understandings between the Company or any of its subsidiaries and any person that would give rise to a valid claim against the Company, any of its subsidiaries or the Underwriter for a brokerage commission, finder’s fee or other like payment in connection with this offering;

(i) except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, there are no contracts, agreements or understandings between the Company or any of its subsidiaries and any person granting such person the right to require the Company or any of its subsidiaries to file a registration statement under the Act with respect to any securities of the Company or any of its subsidiaries or to require the Company or any of its subsidiaries to include such securities in the securities registered pursuant to a Registration Statement or in any securities being registered pursuant to any other registration statement filed by the Company under the Act;

(j) the Shares are duly listed, and admitted and authorized for trading on the New York Stock Exchange (the “NYSE”);

(k) no consent, approval, authorization or order of, or filing with, any governmental agency or body or any court is required to be obtained or made by the Company for the consummation of the transactions contemplated by this Agreement in connection with the sale of the Shares, except such as have been obtained and made under the Act and such as may be required under state securities laws;

(l) the execution, delivery and performance of this Agreement, and the consummation of the transactions herein contemplated will not result in a breach or violation of any of the terms and provisions of, or constitute a default under (A) any statute, any rule, regulation or order of any governmental agency or body or any court, domestic or foreign, having jurisdiction over the Company or any subsidiary of the Company or any of their properties, (B) any agreement or instrument to which the Company or any such subsidiary is a party or by which the Company or any such subsidiary is bound or to which any of the properties of the Company or any such subsidiary is subject, or (C) the charter, by-laws or other organizational document of the Company or any of the Subsidiaries, or except in the case of clause (B), for such

breaches, violations or defaults that would not, individually or in the aggregate, have a Material Adverse Effect;

(m) this Agreement has been duly authorized, executed and delivered by the Company;

(n) except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, the Company and its subsidiaries have good and marketable title to all real properties and all other properties and assets owned by them, in each case free from liens, encumbrances and defects that would materially affect the value thereof or materially interfere with the use made or to be made thereof by them; and except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, the Company and its subsidiaries hold any leased real or personal property under valid and enforceable leases with no exceptions that would materially interfere with the use made or to be made thereof by them;

(o) each of the Company and the Subsidiaries possess adequate certificates, authorities or permits issued by appropriate governmental agencies or bodies necessary to conduct the business now operated by them, except for such certificates, authorities or permits the lack of which would not, individually or in the aggregate, have a Material Adverse Effect, and have not received any notice of proceedings relating to the revocation or modification of any such certificate, authority or permit that would, individually or in the aggregate, have a Material Adverse Effect;

(p) no labor dispute with the employees of the Company or any subsidiary exists or, to the knowledge of the Company, is imminent that would reasonably be expected to have a Material Adverse Effect;

(q) the Company and its Subsidiaries own, possess, or can acquire on reasonable terms, adequate trademarks, trade names and other rights to inventions, know-how, patents, copyrights, confidential information and other intellectual property (collectively, “intellectual property rights”) necessary to conduct the business now operated by them, or presently employed by them, and have not received any notice of infringement of or conflict with asserted rights of others with respect to any intellectual property rights that would, individually or in the aggregate, have a Material Adverse Effect;

(r) except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, the Company and the Subsidiaries and their properties, assets and operations are in compliance with, and hold all permits, authorizations and approvals required under, Environmental Laws (as defined below), except to the extent that failure to so comply or to hold such permits, authorizations or approvals would not be reasonably expected to, individually or in the aggregate, have a Material Adverse Effect; except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, there are no past, present or, to the Company’s knowledge, reasonably anticipated future events, conditions, circumstances, activities, practices, actions, omissions or plans that could reasonably be expected to give rise to any material costs or liabilities to the Company or any Subsidiary under, or to materially interfere with or

prevent compliance by the Company or any Subsidiary with, Environmental Laws; except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, neither the Company nor any of the Subsidiaries (i) is the subject of any investigation, (ii) has received any notice or claim, (iii) is a party to or affected by any pending or threatened action, suit or proceeding, (iv) is bound by any judgment, decree or order or (v) has entered into any agreement, in each case relating to any alleged violation of any Environmental Law or an alleged liability arising from or relating to any actual or alleged release or threatened release or cleanup at any location of any Hazardous Materials (as defined below) except as would not, individually or in the aggregate, if determined adversely, reasonably be expected to have a Material Adverse Effect (as used herein, “Environmental Law” means any federal, state, local or foreign law, statute, ordinance, rule, regulation, order, decree, judgment, injunction, permit, license, authorization or other binding requirement, or common law, relating to health, safety or the protection, cleanup or restoration of the environment or natural resources, including those relating to the distribution, processing, generation, treatment, storage, disposal, transportation, other handling or release or threatened release of, or exposure to, Hazardous Materials, and “Hazardous Materials” means any material (including, without limitation, pollutants, contaminants, hazardous or toxic substances or wastes) that is regulated by or may give rise to liability under any Environmental Law);

(s) in the ordinary course of its business, the Company and each of the Subsidiaries conducts a periodic review of the effect of the Environmental Laws on their respective business, operations and properties, for the purpose of identifying and evaluating associated material costs and liabilities (including, without limitation, any capital or operating expenditures required for cleanup, other remedial activities or compliance with the Environmental Laws or any permit, license or approval issued under Environmental Laws and any potential liabilities to third parties);

(t) except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, there are no pending actions, suits or proceedings against or affecting the Company, any of the Subsidiaries or any of their respective properties that would, individually or in the aggregate, have a Material Adverse Effect, or would materially and adversely affect the ability of the Company to perform its obligations under this Agreement, or which are otherwise material in the context of the sale of the Shares; and no such actions, suits or proceedings are, to the Company’s knowledge, threatened or contemplated;

(u) the financial statements of the Company included or incorporated by reference in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, together with the related notes and schedules, present fairly in all material respects the financial position of the Company and the Subsidiaries as of the dates shown and their results of operations and cash flows for the periods shown, and, except as otherwise disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, such financial statements have been prepared in conformity with the generally accepted accounting principles in the United States applied on a consistent basis; and all disclosures contained or incorporated by reference in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, regarding “non-GAAP financial measures” (as such term is defined

by the rules and regulations of the Commission) comply with Regulation G of the Exchange Act and Item 10 of Regulation S-K under the Act, to the extent applicable;

(v) subsequent to the respective dates as of which information is given in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, in each case excluding any amendments or supplements to the foregoing made after the execution of this Agreement, there has been no (i) material adverse change, nor any development or event involving a prospective material adverse change, in the condition (financial or other), business, properties or results of operations of the Company and the Subsidiaries taken as a whole, and (ii) except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, there has been no dividend or distribution of any kind declared, paid or made by the Company on any class of its capital stock;

(w) the Company is subject to the reporting requirements of either Section 13 or Section 15(d) of the Securities Exchange Act of 1934 and files reports with the Commission on the Electronic Data Gathering, Analysis, and Retrieval (XXXXX) system;

(x) the Company is not an “investment company” as defined in the Investment Company Act of 1940;

(y) Ernst & Young LLP, who have reviewed the financial statements of the Company and the Subsidiaries included in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, are, to the best of our knowledge, independent registered public accountants with respect to the Company within the meaning of the Act and the applicable published rules and regulations thereunder;

(z) the Company and each of the Subsidiaries make and keep accurate books and records and maintain a system of internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general or specific authorization; (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with generally accepted accounting principles and to maintain accountability for assets; (iii) access to assets is permitted only in accordance with management’s general or specific authorization; and (iv) the recorded accountability for assets is compared with existing assets at reasonable intervals and appropriate action is taken with respect to any differences;

(aa) the Company has established and maintains and evaluates “disclosure controls and procedures” (as such term is defined in Rule 13a-15 and 15d-15 under the Exchange Act) and “internal control over financial reporting” (as such term is defined in Rule 13a-15 and 15d-15 under the Exchange Act); such disclosure controls and procedures are designed to ensure that material information relating to the Company, including its consolidated subsidiaries, is made known to the Company’s Chief Executive Officer and its Chief Financial Officer by others within those entities, and such disclosure controls and procedures are effective to perform the functions for which they were established; the Company’s independent auditors and the Audit Committee of the Board of Directors of the Company have been advised, based on the Company’s most recent

evaluation of such disclosure controls and procedures, of: (i) all significant deficiencies, if any, in the design or operation of internal controls which could adversely affect the Company’s ability to record, process, summarize and report financial data; and (ii) all fraud, if any, whether or not material, that involves management or other employees who have a role in the Company’s internal controls; all material weaknesses, if any, in internal controls have been identified to the Company’s independent auditors; except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, or since the date of the most recent evaluation of such disclosure controls and procedures and internal controls, there have been no significant changes in internal controls or in other factors that could significantly affect internal controls, including any corrective actions with regard to significant deficiencies and material weaknesses; and the Company is taking all necessary actions to ensure that, upon and at all times after effectiveness of the Registration Statement, except as disclosed in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, the Company and its officers and directors, in their capacities as such, will be in compliance in all material respects with the provisions of the Xxxxxxxx-Xxxxx Act of 2002 (the “Xxxxxxxx-Xxxxx Act”) and the rules and regulations promulgated in connection therewith, including provisions with respect to “internal control over financial reporting” (as such term is defined in Rules 13a-15 and 15d-15 under the Act), which are applicable at such time to the Company;

(bb) the Company has provided you true, correct, and complete copies of all documentation pertaining to any extension of credit in the form of a personal loan made, directly or indirectly, by the Company to any director or executive officer of the Company, or to any family member or affiliate of any director or executive officer of the Company; and since July 30, 2002, the Company has not, directly or indirectly, including through any subsidiary: (i) extended credit, arranged to extend credit, or renewed any extension of credit, in the form of a personal loan, to or for any director or executive officer of the Company, or to or for any family member or affiliate of any director or executive officer of the Company; or (ii) made any material modification, including any renewal thereof, to any term of any personal loan to any director or executive officer of the Company, or any family member or affiliate of any director or executive officer, which loan was outstanding on July 30, 2002; and

(cc) (A) on or before the date hereof, “lock-up” agreements, each substantially in the form of Exhibit A hereto (“Lock-Up Agreements”), relating to sales and certain other dispositions of shares of Securities or certain other securities, have been executed and delivered to the Underwriter by those officers of the Company listed on Schedule E.

In addition, any certificate signed by any officer of the Company or any of the Subsidiaries and delivered to the Underwriter or counsel for the Underwriter in connection with the offering of the Shares shall be deemed to be a representation and warranty by the Company, as to matters covered thereby, to each Underwriter.

4. Representations and Warranties of the Selling Stockholders. Each Selling Stockholder, severally and not jointly with the other Selling Stockholders, represents and warrants to the Underwriter that:

(a) all written information furnished to the Company by the Selling Stockholder specifically for use in the Registration Statement, the Pre-Pricing Prospectus or the Prospectus (the “Selling Stockholder Information”) complied and will comply in all material respects with all applicable provisions of the Act; the Registration Statement (with respect to the Saratoga Selling Stockholders, Xxxxx X. Xxxxxxxxxx and Xxxxxx X. Xxxxxxx, only as the Registration Statement relates to the Selling Stockholder Information), did not, as of the Effective Time, contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading; at no time during the period that begins on the earlier of the date of the Pre-Pricing Prospectus and the date the Pre-Pricing Prospectus was filed with the Commission and ends at the time of purchase did or will the Pre-Pricing Prospectus (with respect to the Saratoga Selling Stockholders, Xxxxx X. Xxxxxxxxxx and Xxxxxx X. Xxxxxxx, only as the Pre-Pricing Prospectus relates to the Selling Stockholder Information), as then amended or supplemented, taken together with the Price to Investors, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, and at no time during such period did or will the Pre-Pricing Prospectus (with respect to the Saratoga Selling Stockholders, Xxxxx X. Xxxxxxxxxx and Xxxxxx X. Xxxxxxx, only as the Pre-Pricing Prospectus relates to the Selling Stockholder Information), as then amended or supplemented, taken together with the Price to Investors, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; at no time during the period that begins on the earlier of the date of the Prospectus and the date the Prospectus is filed with the Commission and ends at the later of the time of purchase, the latest additional time of purchase, if any, and the end of the period during which a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares did or will the Prospectus (with respect to the Saratoga Selling Stockholders, Xxxxx X. Xxxxxxxxxx and Xxxxxx X. Xxxxxxx, only as the Prospectus relates to the Selling Stockholder Information), as then amended or supplemented, include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading;

(b) such Selling Stockholder has, and at each time of delivery of such Shares will have, valid and unencumbered title to the Shares to be sold by it and has full right, power and authority to enter into this Agreement and to sell, assign, transfer and deliver such Shares at the time of delivery hereunder; and upon the delivery of and payment for such Shares at each time of delivery hereunder the Underwriter will acquire valid and unencumbered title to the Shares to be delivered by such Selling Stockholders at such time of delivery;

(c) except as disclosed in the Prospectus, there are no contracts, agreements or understandings between such Selling Stockholder and any person that would give rise to a valid claim against such Selling Stockholder or the Underwriter for a brokerage commission, finder’s fee or other like payment in connection with this offering;

(d) such Selling Stockholder has not, prior to the execution of this Agreement, offered or sold any Shares by means of any “prospectus” (within the meaning of the Act), or used any “prospectus” (within the meaning of the Act) in connection with the offer or sale of the Shares, in each case other than the Pre-Pricing Prospectus;

(e) neither the execution, delivery and performance of this Agreement or the Custody Agreement nor the sale by such Selling Stockholder of the Shares to be sold by such Selling Stockholder pursuant to this Agreement nor the consummation of the transactions contemplated hereby or thereby will conflict with, result in any breach or violation of or constitute a default under (or constitute any event which with notice, lapse of time or both would result in any breach or violation of or constitute a default under) (i) if such Selling Stockholder is not an individual, the charter or bylaws or other organizational instruments of such Selling Stockholder, (ii) any indenture, mortgage, deed of trust, bank loan or credit agreement or other evidence of indebtedness, or any license, lease, contract or other agreement or instrument to which such Selling Stockholder is a party or by which such Selling Stockholder or any of its properties may be bound or affected; provided, in the case of the Saratoga Selling Stockholders, that such document is listed on Annex A to Exhibit D-1 of this Agreement, (iii) any federal, state, local or foreign law, regulation or rule, (iv) or any rule or regulation of any self-regulatory organization or other non-governmental regulatory authority (including, without limitation, the rules and regulations of the NYSE), or (v) any decree, judgment or order applicable to such Selling Stockholder or any of its properties, except in the case of clause (ii) above as could not reasonably be expected to have a material adverse effect on the condition (financial or otherwise), business, properties, prospects or results of operations of such Selling Stockholder or on its ability to complete the transactions contemplated by this Agreement;

(f) no approval, authorization, consent or order of or filing with any federal, state, local or foreign governmental or regulatory commission, board, body, authority or agency, or of or with any self-regulatory organization or other non-governmental regulatory authority (including, without limitation, the NYSE), is required in connection with the sale of the Shares to be sold by such Selling Stockholder pursuant to this Agreement or the consummation by such Selling Stockholder of the transactions contemplated hereby or by the Custody Agreement to which such Selling Stockholder is a party other than (i) registration of the Shares under the Act, which has been effected (or, with respect to any registration statement to be filed hereunder pursuant to Rule 462(b) under the Act, will be effected in accordance herewith), (ii) any necessary qualification under the securities or blue sky laws of the various jurisdictions in which the Shares are being offered by the Underwriter or (iii) under the Conduct Rules of the NASD;

(g) neither such Selling Stockholder nor any of its affiliates has taken, directly or indirectly, any action designed to, or which has constituted or might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Shares;

(h) this Agreement and the Custody Agreement have each been duly authorized, executed and delivered by (or, in the case of this Agreement, on behalf of) such Selling

Stockholder, and each is a legal, valid and binding agreement of such Selling Stockholder enforceable in accordance with its terms; and

(i) the sale of the Shares to be sold by such Selling Stockholder pursuant to this Agreement is not prompted by any information concerning the Company or any Subsidiary which is not set forth in the Registration Statement (excluding the exhibits thereto), the Pre-Pricing Prospectus and the Prospectus.

In addition, any certificate signed by any Selling Stockholder (or, with respect to any Selling Stockholder that is not an individual, any officer of such Selling Stockholder or of any of such Selling Stockholder’s subsidiaries) or by any Representative of the Selling Stockholders and delivered to the Underwriter or counsel for the Underwriter in connection with the offering of the Shares shall be deemed to be a representation and warranty by such Selling Stockholder, as to matters covered thereby, to the Underwriter.

5. Certain Covenants of the Company. The Company hereby agrees:

(a) to furnish such information as may be required and otherwise to cooperate in all reasonable respects in qualifying the Shares for offering and sale under the securities or blue sky laws of such states or other jurisdictions as you may designate and to maintain such qualifications in effect so long as you may request for the distribution of the Shares; provided, however, that the Company shall not be required to qualify as a foreign corporation or to consent to the service of process under the laws of any such jurisdiction (except service of process with respect to the offering and sale of the Shares); and to promptly advise you of the receipt by the Company of any notification with respect to the suspension of the qualification of the Shares for offer or sale in any jurisdiction or the initiation or threatening of any proceeding for such purpose;

(b) to make available to the Underwriter in New York City, as soon as practicable after this Agreement becomes effective, and thereafter from time to time to furnish to the Underwriter, as many copies of the Prospectus (or of the Prospectus as amended or supplemented if the Company shall have made any amendments or supplements thereto after the effective date of the Registration Statement) as the Underwriter may request for the purposes contemplated by the Act; in case the Underwriter is required to deliver (whether physically or through compliance with Rule 172 under the Act or any similar rule), in connection with the sale of the Shares, a prospectus after the nine-month period referred to in Section 10(a)(3) of the Act, or after the time a post-effective amendment to the Registration Statement is required pursuant to Item 512(a) of Regulation S-K under the Act, the Company will prepare, at its expense, promptly upon request such amendment or amendments to the Registration Statement and the Prospectus as may be necessary to permit compliance with the requirements of Section 10(a)(3) of the Act or Item 512(a) of Regulation S-K under the Act, as the case may be;

(c) the Company will advise you promptly and, if requested by you, will confirm such advice in writing, if Rule 430A under the Act is used, when the Prospectus is filed with the Commission pursuant to Rule 424(b) under the Act (which the Company agrees to file in a timely manner in accordance with such Rules);

(d) if, at any time during the period when a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares, the Registration Statement shall cease to comply with the requirements of the Act with respect to eligibility for the use of the form on which the Registration Statement was filed with the Commission, to (i) promptly notify you, (ii) promptly file with the Commission a new registration statement under the Act, relating to the Shares, or a post-effective amendment to the Registration Statement, which new registration statement or post-effective amendment shall comply with the requirements of the Act and shall be in a form satisfactory to you, (iii) use its best efforts to cause such new registration statement or post-effective amendment to become effective under the Act as soon as practicable, (iv) promptly notify you of such effectiveness and (v) take all other action necessary or appropriate to permit the public offering and sale of the Shares to continue as contemplated in the Prospectus; all references herein to the Registration Statement shall be deemed to include each such new registration statement or post-effective amendment, if any;

(e) during the period when a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule), to (i) advise you promptly, confirming such advice in writing, of any request by the Commission for amendments or supplements to the Registration Statement, the Pre-Pricing Prospectus or the Prospectus or for additional information with respect thereto, or of notice of institution of proceedings for, or the entry of a stop order, suspending the effectiveness of the Registration Statement and, if the Commission should enter a stop order suspending the effectiveness of the Registration Statement, to use its best efforts to obtain the lifting or removal of such order as soon as possible and (ii) to advise you promptly of any proposal to amend or supplement the Registration Statement, the Pre-Pricing Prospectus or the Prospectus, including by the filing of documents incorporated by reference therein, and to provide you and Underwriter’s counsel copies of any such documents for review and comment a reasonable amount of time prior to any proposed filing and to file no such amendment or supplement to which you shall promptly and reasonably object in writing;

(f) subject to Section 5(e) hereof, to file promptly all reports and documents and any preliminary or definitive proxy or information statement required to be filed by the Company with the Commission in order to comply with the Exchange Act for so long as a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares;

(g) to advise the Underwriter promptly of the happening of any event within the period during which a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares, which event could require the making of any change in the Prospectus then being used so that the Prospectus would not include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they are made, not misleading, and to advise the Underwriter promptly if, during such period, it shall

become necessary to amend or supplement the Prospectus to cause the Prospectus to comply with the requirements of the Act, and, in each case, during such time, subject to Section 5(e) hereof, to prepare and furnish, at the Company’s expense, to the Underwriter promptly such amendments or supplements to such Prospectus as may be necessary to reflect any such change or to effect such compliance;

(h) to make generally available to its security holders, and to deliver to you, an earnings statement of the Company (which will satisfy the provisions of Section 11(a) of the Act) covering a period of twelve months beginning after the effective date of the Registration Statement (as defined in Rule 158(c) under the Act) as soon as is reasonably practicable after the termination of such twelve-month period but in any case not later than March 20, 2008;

(i) to furnish to you as early as practicable prior to the time of purchase but not later than two business days prior thereto, a copy of the latest available unaudited interim and monthly consolidated financial statements, if any, of the Company and the Subsidiaries which have been read by the Company’s independent registered public accountants, as stated in their letter to be furnished pursuant to Section 9(d) hereof;

(j) for the period specified below (the “Lock-Up Period”), the Company will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly in a public offering, or file with the Commission a registration statement under the Act relating to, any newly issued shares or treasury shares, or publicly disclose the intention to make any such offer, sale, pledge, disposition or filing, without the prior written consent of the Underwriter, except (A) issuances of newly issued shares or treasury shares pursuant to the conversion or exchange of convertible or exchangeable securities or the exercise of warrants or options, in each case outstanding on the date hereof, (B) grants of employee stock options, restricted stock units, restricted shares or any other awards contemplated pursuant to the terms of a plan in effect on the date hereof, (C) issuances of newly issued shares or treasury shares pursuant to, the exercise of such options, the vesting of restricted stock units previously granted or the exercise of any other employee stock options outstanding on the date hereof, (D) as consideration for acquisitions made by the Company, provided that no more than an aggregate of 10% of the number of shares of common stock outstanding as of the time of purchase and each additional time of purchase, if any, are issued as consideration in connection with all such acquisitions and provided, further, that the recipients receiving common stock in connection with such acquisitions agree in writing with the Underwriter to the restrictions in Exhibit A hereto and represent to the Underwriter that they have not transferred to another, in whole or in part, any economic consequence of ownership of such shares of common stock prior to the consummation of such acquisition and (E) the filing of any registration statement on Form S-8 relating to securities that have been or may be issued pursuant to clause (B) above; the initial Lock-Up Period will commence on the date hereof and will continue and include the date 60 days after the date hereof or such earlier date that the Underwriter consents to in writing;

(k) prior to the time of purchase, to issue no press release or other communication directly or indirectly and hold no press conferences with respect to the Company or any

Subsidiary, the financial condition, results of operations, business, properties, assets, or liabilities of the Company or any Subsidiary, or the offering of the Shares, without your prior consent;

(l) not to, and to cause the Subsidiaries not to, take, directly or indirectly, any action designed, or which will constitute, or has constituted, or might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Shares;

(m) to maintain the listing of the Common Stock, including the Shares, on the NYSE; and

(n) to maintain a transfer agent and, if necessary under the jurisdiction of incorporation of the Company, a registrar for the Common Stock.

6. Certain Covenants of the Selling Stockholders. Each Selling Stockholder hereby agrees:

(a) not, at any time at or after the execution of this Agreement, to offer or sell any Shares by means of any “prospectus” (within the meaning of the Act), or use any “prospectus” (within the meaning of the Act) in connection with the offer or sale of the Shares, in each case other than the Prospectus;

(b) not to take, directly or indirectly, any action designed, or which will constitute, or has constituted, or might reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Shares;

(c) to pay or cause to be paid all taxes, if any, on the transfer and sale of the Shares being sold by such Selling Stockholder;

(d) to advise you promptly, and if requested by you, confirm such advice in writing, so long as a prospectus is required by the Act to be delivered (whether physically or through compliance with Rule 172 under the Act or any similar rule) in connection with any sale of Shares, of any change in information in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus relating to the Selling Stockholder Information; and

(e) each Saratoga Selling Stockholder agrees during the Lock-Up Period not to offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, any additional shares of the Securities of the Company or securities convertible into or exchangeable or exercisable for any shares of Securities, enter into a transaction which would have the same effect, or enter into any swap, hedge or other arrangement that transfers, in whole or in part, any of the economic consequences of ownership of the Securities, whether any such aforementioned transaction is to be settled by delivery of the Securities or such other securities, in cash or otherwise, or publicly disclose the intention to make any such offer, sale, pledge or disposition, or enter into any such transaction, swap, hedge or other arrangement, without, in each case, the prior written consent of the

Underwriter, except if the Selling Stockholder is a partnership, limited liability company or corporation, (1) transfers of Securities to an affiliate (as defined in Rule 405 of the Rules and Regulations) of such gelling Stockholder or (2) distributions by such Selling Stockholder to its partners, members or shareholders (including by way of redemption or liquidation); provided, however, that (y) each recipient of such Securities shall have, prior to any such transfer or distribution, entered into a written lock-up agreement that is identical in all material respects with this Section 6(e) no filing by any party (transferor or transferee) under the Securities Exchange Act of 1934, as amended, shall be required or voluntarily made in connection with such transfer or distribution; the initial Lock-Up Period will commence on the date hereof and will continue and include the date 60 days after the date hereof or such earlier date that the Underwriter consents to in writing.

(f) prior to or concurrently with the execution and delivery of this Agreement, to execute and deliver to the Underwriter a Custody Agreement.

7. Covenant to Pay Costs. The Selling Stockholders will pay all reasonable expenses incident to the performance of the obligations of the Company and the Selling Stockholders, as the case may be, under this Agreement, for any filing fees and other expenses (including underwriting discounts and commissions and legal counsel fees of the Company and the Selling Stockholders, but excluding the filing fee paid by the Company to register the sale of the Shares with the Commission) in connection with qualification of the Shares for sale under the laws of such jurisdictions as the Underwriter designates and the printing of memoranda relating thereto, for any travel expenses of the Company’s officers and employees and any other expenses of the Company in connection with attending or hosting meetings with prospective purchasers of the Shares, including the cost of any aircraft chartered in connection with attending or hosting such meetings and for expenses incurred in distributing preliminary prospectuses and the Prospectus (including any amendments and supplements thereto) to the Underwriter. Except as expressly provided in this Agreement, the Underwriter shall pay its own costs and expenses in connection with the transactions contemplated hereby, including without limitation, the fees and expenses of its counsel.

8. Reimbursement of Underwriter’s Expenses. If the Shares are not delivered for any reason other than the termination of this Agreement pursuant to the fifth paragraph of Section 11 hereof or the default by the Underwriter in its obligations hereunder, the Selling Stockholders, jointly and severally, shall, in addition to paying the amounts described in Section 7 hereof, reimburse the Underwriter for all of its out-of-pocket expenses, including the fees and disbursements of their counsel.

9. Conditions of Underwriter’s Obligations. The several obligations of the Underwriter hereunder are subject to the accuracy of the respective representations and warranties on the part of the Company and each Selling Stockholder on the date hereof, at the time of purchase, and, if applicable, at the additional time of purchase, the performance by the Company and each Selling Stockholder of each of their respective obligations hereunder and to the following additional conditions precedent:

(a) The Company shall furnish to you at the time of purchase, and, if applicable, at the additional time of purchase, an opinion of Xxxx Xxxxx LLP, special Pennsylvania

counsel for the Company, addressed to the Underwriter, and dated the time of purchase or the additional time of purchase, as the case may be, and in form and substance satisfactory to the Underwriter, in the form set forth in Exhibit B hereto.

(b) The Company shall furnish to you at the time of purchase and, if applicable, at the additional time of purchase, an opinion of Xxxxxx X. Xxxx, Esq., General Counsel of the Company, addressed to the Underwriter, and dated the time of purchase or the additional time of purchase, as the case may be, and in form and substance satisfactory to the Underwriter, in the form set forth in Exhibit C hereto.

(c) The Company shall furnish to you at the time of purchase, and, if applicable, at the additional time of purchase, (i) an opinion of Xxxxxx Xxxxxx & Xxxxxxx LLP, counsel for the Selling Stockholders, addressed to the Underwriter, and dated the time of purchase or the additional time of purchase, as the case may be, and in form and substance satisfactory to the Underwriter, in the form set forth in Exhibit D-1 hereto; and (ii) an opinion of STvB Advocaten, special Netherlands Antilles counsel for Saratoga Partners III C.V., addressed to the Underwriter, and dated the time of purchase or the additional time of purchase, as the case may be, and in the form and substance satisfactory to the Underwriter, in the form set forth in Exhibit D-2.

(d) You shall have received from Ernst & Young LLP letters dated, respectively, the date of this Agreement and the date of the Prospectus Supplement, the time of purchase, and if applicable, at the additional time of purchase, and addressed to the Underwriter (with executed copies for the Underwriter) in the forms satisfactory to the Underwriter, which letters shall cover, without limitation, the various financial disclosures contained in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus.

(e) You shall have received at the time of purchase and, if applicable, at the additional time of purchase, the favorable opinion of Cravath, Swaine & Xxxxx LLP, counsel for the Underwriter, dated the time of purchase or the additional time of purchase, as the case may be, in form and substance reasonably satisfactory to the Underwriter.

(f) No Prospectus or amendment or supplement to the Registration Statement or the Prospectus shall have been filed to which you shall have objected in writing.

(g) The Registration Statement and any registration statement required to be filed, prior to the sale of the Shares, under the Act pursuant to Rule 462(b) shall have been filed and shall have become effective under the Act. The Prospectus Supplement shall have been filed with the Commission pursuant to Rule 424(b) under the Act at or before 5:30 P.M., New York City time, on the second full business day after the date of this Agreement (or such earlier time as may be required under the Act).

(h) Prior to and at the time of purchase and, if applicable, the additional time of purchase, (i) no stop order with respect to the effectiveness of the Registration Statement shall have been issued under the Act or proceedings initiated under Section 8(d) or 8(e)

of the Act; (ii) the Registration Statement and all amendments thereto shall not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not misleading; (iii) the Pre-Pricing Prospectus and the Prospectus, and any amendment or supplement thereto, shall not include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they are made, not misleading; and (iv) no Disclosure Package, and no amendment or supplement thereto, shall include an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they are made, not misleading.

(i) The Company will, at the time of purchase, and, if applicable, the additional time of purchase, deliver to you a certificate of its Chief Executive Officer and its Chief Financial Officer, dated the time of purchase or the additional time of purchase, as the case may be, in the form attached as Exhibit E hereto.

(j) The Selling Stockholders will, at the time of purchase, and, if applicable, at the additional time of purchase, deliver to you a certificate signed by the Selling Stockholders, dated the time of purchase or the additional time of purchase, as the case may be, in the form attached as Exhibit F hereto.

(k) You shall have received each of the signed Lock-Up Agreements referred to in Section 3(dd) hereof, and each such Lock-Up Agreement shall be in full force and effect at the time of purchase and the additional time of purchase, as the case may be.

(l) The Company and each Selling Stockholder shall have furnished to you such other documents and certificates as to the accuracy and completeness of any statement in the Registration Statement, the Pre-Pricing Prospectus or the Prospectus as of the time of purchase, and, if applicable, the additional time of purchase, as you may reasonably request.

(m) The Shares shall have been approved for listing on the NYSE.

(n) The NASD shall not have raised any objection with respect to the fairness or reasonableness of the underwriting, or other arrangements of the transactions, contemplated hereby.

(o) Each Selling Stockholder shall have delivered to you a duly executed Custody Agreement, in each case in form and substance satisfactory to the Underwriter.

10. Effective Date of Agreement; Termination. This Agreement shall become effective when the parties hereto have executed and delivered this Agreement.

The obligations of the Underwriter hereunder shall be subject to termination in the absolute discretion of the Underwriter, if (1) since the time of execution of this Agreement or the earlier respective dates as of which information is given in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, there has been any change or any development involving a prospective change in the business, properties, management, financial condition or results of

operations of the Company and the Subsidiaries taken as a whole, the effect of which change or development is, in the sole judgment of the Underwriter, so material and adverse as to make it impractical or inadvisable to proceed with the public offering or the delivery of the Shares on the terms and in the manner contemplated in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus or (2) since the time of execution of this Agreement, there shall have occurred: (A) a suspension or material limitation in trading in securities generally on the NYSE, the American Stock Exchange or the NASDAQ; (B) a suspension or material limitation in trading in the Company’s securities on the NYSE; (C) a general moratorium on commercial banking activities declared by either federal or New York State authorities or a material disruption in commercial banking or securities settlement or clearance services in the United States; (D) an outbreak or escalation of hostilities or acts of terrorism involving the United States or a declaration by the United States of a national emergency or war; or (E) any other calamity or crisis or any change in financial, political or economic conditions in the United States or elsewhere, if the effect of any such event specified in clause (D) or (E), in the sole judgment of the Underwriter, makes it impractical or inadvisable to proceed with the public offering or the delivery of the Shares on the terms and in the manner contemplated in the Registration Statement, the Pre-Pricing Prospectus and the Prospectus, or (3) since the time of execution of this Agreement, there shall have occurred any downgrading, or any notice or announcement shall have been given or made of: (A) any intended or potential downgrading or (B) any watch, review or possible change that does not indicate an affirmation or improvement in the rating accorded any securities of or guaranteed by the Company or any Subsidiary by any “nationally recognized statistical rating organization,” as that term is defined in Rule 436(g)(2) under the Act.

If the Underwriter elects to terminate this Agreement as provided in this Section 10, the Company and the Selling Stockholders shall be notified promptly in writing.

If the sale to the Underwriter of the Shares, as contemplated by this Agreement, is not carried out by the Underwriter for any reason permitted under this Agreement, or if such sale is not carried out because the Company or any Selling Stockholder, as the case may be, shall be unable to comply with any of the terms of this Agreement, the Company shall not be under any obligation or liability under this Agreement (except to the extent provided in Sections 7 and 12 hereof) and the Selling Stockholders shall not be under any obligation or liability under this Agreement (except to the extent provided in Sections 7, 8 and 12 hereof), and the Underwriter shall be under no obligation or liability to the Company or any Selling Stockholder under this Agreement (except to the extent provided in Section 12 hereof).

11. Increase in Underwriters’ Commitments. Subject to Sections 9 and 10 hereof, if any Underwriter shall default in its obligation to take up and pay for the Firm Shares to be purchased by it hereunder (otherwise than for a failure of a condition set forth in Section 9 hereof or a reason sufficient to justify the termination of this Agreement under the provisions of Section 10 hereof) and if the number of Firm Shares which all Underwriters so defaulting shall have agreed but failed to take up and pay for does not exceed 10% of the total number of Firm Shares, the non-defaulting Underwriters (including the Underwriters, if any, substituted in the manner set forth below) shall take up and pay for (in addition to the aggregate number of Firm Shares they are obligated to purchase pursuant to Section 1 hereof) the number of Firm Shares agreed to be purchased by all such defaulting Underwriters, as hereinafter provided. Such Shares shall be taken up and paid for by such non-defaulting Underwriters in such amount or amounts as

you may designate with the consent of each Underwriter so designated or, in the event no such designation is made, such Shares shall be taken up and paid for by all non-defaulting Underwriters pro rata in proportion to the aggregate number of Firm Shares set forth opposite the names of such non-defaulting Underwriters in Schedule A.

Without relieving any defaulting Underwriter from its obligations hereunder, the Selling Stockholders each agree with the non-defaulting Underwriters that they will not sell any Firm Shares hereunder unless all of the Firm Shares are purchased by the Underwriters (or by substituted Underwriters selected by you with the approval of the Company or selected by the Company with your approval).

If a new Underwriter or Underwriters are substituted by the Underwriters or by the Company for a defaulting Underwriter or Underwriters in accordance with the foregoing provision, the Company or you shall have the right to postpone the time of purchase for a period not exceeding five business days in order that any necessary changes in the Registration Statement and the Prospectus and other documents may be effected.

The term “Underwriter” as used in this Agreement shall refer to and include any Underwriter substituted under this Section 11 with like effect as if such substituted Underwriter had originally been named in Schedule A hereto.

If the aggregate number of Firm Shares which the defaulting Underwriter or Underwriters agreed to purchase exceeds 10% of the total number of Firm Shares which all Underwriters agreed to purchase hereunder, and if neither the non-defaulting Underwriters nor the Company shall make arrangements within the five business day period stated above for the purchase of all the Firm Shares which the defaulting Underwriter or Underwriters agreed to purchase hereunder, this Agreement shall terminate without further act or deed and without any liability on the part of the Company or any Selling Stockholder to any Underwriter and without any liability on the part of any non-defaulting Underwriter to the Company or to any Selling Stockholder. Nothing in this paragraph, and no action taken hereunder, shall relieve any defaulting Underwriter from liability in respect of any default of the Underwriter under this Agreement.

12. Indemnity and Contribution.

(a) The Company agrees to indemnify, defend and hold harmless the Underwriter, its partners, directors and officers, and any person who controls the Underwriter within the meaning of Section 15 of the Act or Section 20 of the Exchange Act, and the successors and assigns of all of the foregoing persons, from and against any loss, damage, expense, liability or claim (including the reasonable cost of investigation) which the Underwriter or any such person may incur under the Act, the Exchange Act, the common law or otherwise, insofar as such loss, damage, expense, liability or claim arises out of or is based upon (i) any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement (or in the Registration Statement as amended by any post-effective amendment thereof by the Company) or arises out of or is based upon any omission or alleged omission to state a material fact required to be stated therein or necessary to make the statements therein not misleading, except insofar as any

such loss, damage, expense, liability or claim arises out of or is based upon any untrue statement or alleged untrue statement of a material fact contained in and in conformity with information concerning the Underwriter furnished in writing by or on behalf of the Underwriter through you to the Company expressly for use in the Registration Statement or arises out of or is based upon any omission or alleged omission to state a material fact in the Registration Statement in connection with such information, which material fact was not contained in such information and which material fact was required to be stated in such Registration Statement or was necessary to make such information not misleading or (ii) any untrue statement or alleged untrue statement of a material fact included in any Prospectus (the term Prospectus for the purpose of this Section 12 being deemed to include the Basic Prospectus, the Pre-Pricing Prospectus, the Prospectus Supplement, the Prospectus and any amendments or supplements to the foregoing), or arises out of or is based upon any omission or alleged omission to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, except, with respect to such Prospectus, insofar as any such loss, damage, expense, liability or claim arises out of or is based upon any untrue statement or alleged untrue statement of a material fact contained in, and in conformity with information concerning the Underwriter furnished in writing by or on behalf of the Underwriter through you to the Company expressly for use in, such Prospectus or arises out of or is based upon any omission or alleged omission to state a material fact in such Prospectus in connection with such information, which material fact was not contained in such information and which material fact was necessary in order to make the statements in such information, in the light of the circumstances under which they were made, not misleading.

(b) Each Selling Stockholder agrees to indemnify, defend and hold harmless the Underwriter, its partners, directors and officers, and any person who controls the Underwriter within the meaning of Section 15 of the Act or Section 20 of the Exchange Act, and the successors and assigns of all of the foregoing persons, from and against any loss, damage, expense, liability or claim (including the reasonable cost of investigation) which, jointly or severally, the Underwriter or any such person may incur under the Act, the Exchange Act, the common law or otherwise, insofar as such loss, damage, expense, liability or claim arises out of or is based upon (i) any untrue statement or alleged untrue statement of a material fact contained in the Registration Statement (or in the Registration Statement as amended by any post-effective amendment thereof by the Company), or any omission or alleged omission to state a material fact required to be stated therein or necessary to make the statements therein not misleading or (ii) any untrue statement or alleged untrue statement of a material fact included in any Prospectus or any omission or alleged omission to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided, however, no Selling Stockholder shall be responsible, pursuant to this Section 12(b), for losses, damages, expenses, liabilities or claims for an amount in excess of the aggregate initial public offering price of the Shares sold by such Selling Stockholder to the Underwriter pursuant hereto; provided further, however, that with respect to any Saratoga Selling Stockholder, Xxxxx X. Xxxxxxxxxx and Xxxxxx X. Xxxxxxx, such indemnity shall apply only to untrue statements or omissions or alleged

untrue statements or omissions in relation to the Selling Stockholder Information of such Selling Stockholder.

(c) The Underwriter agrees to indemnify, defend and hold harmless the Company, its directors and officers, each Selling Stockholder and any person who controls the Company within the meaning of Section 15 of the Act or Section 20 of the Exchange Act, and the successors and assigns of all of the foregoing persons, from and against any loss, damage, expense, liability or claim (including the reasonable cost of investigation) which, jointly or severally, the Company, such Selling Stockholder or any such person may incur under the Act, the Exchange Act, the common law or otherwise, insofar as such loss, damage, expense, liability or claim arises out of or is based upon (i) any untrue statement or alleged untrue statement of a material fact contained in, and in conformity with information concerning the Underwriter furnished in writing by or on behalf of the Underwriter through you to the Company expressly for use in, the Registration Statement (or in the Registration Statement as amended by any post-effective amendment thereof by the Company), or arises out of or is based upon any omission or alleged omission to state a material fact in such Registration Statement in connection with such information, which material fact was not contained in such information and which material fact was required to be stated in such Registration Statement or was necessary to make such information not misleading or (ii) any untrue statement or alleged untrue statement of a material fact contained in, and in conformity with information concerning the Underwriter furnished in writing by or on behalf of the Underwriter through you to the Company expressly for use in a Prospectus, which material fact was not contained in such information and which material fact was necessary in order to make the statements in such information, in the light of the circumstances under which they were made, not misleading.

(d) If any action, suit or proceeding (each, a “Proceeding”) is brought against a person (an “indemnified party”) in respect of which indemnity may be sought against the Company a Selling Stockholder or the Underwriter (as applicable, the “indemnifying party”) pursuant to subsection (a), (b) or (c), respectively, of this Section 12, such indemnified party shall promptly notify such indemnifying party in writing of the institution of such Proceeding and such indemnifying party shall assume the defense of such Proceeding, including the employment of counsel reasonably satisfactory to such indemnified party and payment of all fees and expenses; provided, however, that the omission to so notify such indemnifying party shall not relieve such indemnifying party from any liability which such indemnifying party may have to any indemnified party or otherwise, except to the extent that the indemnifying party has been materially prejudiced (through the forfeiture of substantive rights or defenses or otherwise). The indemnified party or parties shall have the right to employ its or their own counsel in any such case, but the fees and expenses of such counsel shall be at the expense of such indemnified party or parties unless the employment of such counsel shall have been authorized in writing by the indemnifying party (or, in the case such indemnifying party is a Selling Stockholder, by such Selling Stockholder) in connection with the defense of such Proceeding or the indemnifying party shall not have, within a reasonable period of time in light of the circumstances, employed counsel to defend such Proceeding or such indemnified party or parties shall have reasonably concluded that there may be defenses available to it or them which are different from, additional to or in conflict with those

available to such indemnifying party (in which case such indemnifying party shall not have the right to direct the defense of such Proceeding on behalf of the indemnified party or parties), in any of which events such fees and expenses shall be borne by such indemnifying party and paid as incurred (it being understood, however, that such indemnifying party shall not be liable for the expenses of more than one separate counsel (in addition to any local counsel) in any one Proceeding or series of related Proceedings in the same jurisdiction representing the indemnified parties who are parties to such Proceeding). The indemnifying party shall not be liable for any settlement of any Proceeding effected without its written consent (or, in the case such indemnifying party is a Selling Stockholder, without the written consent of such Selling Stockholder) but, if settled with its written consent (or, in the case such indemnifying party is a Selling Stockholder, with the written consent of such Selling Stockholder), such indemnifying party agrees to indemnify and hold harmless the indemnified party or parties from and against any loss or liability by reason of such settlement. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party (or, where such indemnifying party is a Selling Stockholder, requested such Selling Stockholder) to reimburse the indemnified party for fees and expenses of counsel as contemplated by the second sentence of this Section 12(d), then the indemnifying party agrees that it shall be liable for any settlement of any Proceeding effected without its written consent if (i) such settlement is entered into in good faith more than 60 business days after receipt by such indemnifying party (or, where such indemnifying party is a Selling Stockholder, receipt by such Selling Stockholder) of the aforesaid request, (ii) such indemnifying party shall not have fully reimbursed the indemnified party in accordance with such request prior to the date of such settlement and (iii) such indemnified party shall have given the indemnifying party (or, where such indemnifying party is a Selling Stockholder, given such Selling Stockholder) at least 30 days’ prior notice including the terms of the settlement of its intention to settle. No indemnifying party shall, without the prior written consent of the indemnified party (or, where such indemnified party is a Selling Stockholder, the prior written consent of such Selling Stockholder), effect any settlement of any pending or threatened Proceeding in respect of which any indemnified party is or could have been a party and indemnity could have been sought hereunder by such indemnified party, unless such settlement includes an unconditional release of such indemnified party from all liability on claims that are the subject matter of such Proceeding and does not include an admission of fault or culpability or a failure to act by or on behalf of such indemnified party.

(e) If the indemnification provided for in this Section 12 is unavailable to an indemnified party under subsections (a), (b) and (c) of this Section 12 or insufficient to hold an indemnified party harmless in respect of any losses, damages, expenses, liabilities or claims referred to therein, then each applicable indemnifying party shall contribute to the amount paid or payable by such indemnified party as a result of such losses, damages, expenses, liabilities or claims (i) in such proportion as is appropriate to reflect the relative benefits received by the Company and the Selling Stockholders on the one hand and the Underwriter on the other hand from the offering of the Shares or (ii) if the allocation provided by clause (i) above is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Company and the Selling Stockholders on the one

hand and of the Underwriter on the other in connection with the statements or omissions which resulted in such losses, damages, expenses, liabilities or claims, as well as any other relevant equitable considerations. The relative benefits received by the Company and the Selling Stockholders on the one hand and the Underwriter on the other shall be deemed to be in the same respective proportions as the total proceeds from the offering (net of underwriting discounts and commissions but before deducting expenses) received by the Company and the Selling Stockholders, and the total underwriting discounts and commissions received by the Underwriter, bear to the aggregate public offering price of the Shares. The relative fault of the Company and the Selling Stockholders on the one hand and of the Underwriter on the other shall be determined by reference to, among other things, whether the untrue statement or alleged untrue statement of a material fact or omission or alleged omission relates to information supplied by the Company or the Selling Stockholders or by the Underwriter and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The amount paid or payable by a party as a result of the losses, damages, expenses, liabilities and claims referred to in this subsection shall be deemed to include any legal or other fees or expenses reasonably incurred by such party in connection with investigating, preparing to defend or defending any Proceeding.

(f) The Company, the Selling Stockholders and the Underwriter agree that it would not be just and equitable if contribution pursuant to this Section 12 were determined by pro rata allocation or by any other method of allocation that does not take account of the equitable considerations referred to in subsection (e) above. Notwithstanding the provisions of this Section 12, the Underwriter shall not be required to contribute any amount in excess of the amount by which the total price at which the Shares underwritten by the Underwriter and distributed to the public were offered to the public exceeds the amount of any damage which the Underwriter has otherwise been required to pay by reason of such untrue statement or alleged untrue statement or omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation.

(g) The indemnity and contribution agreements contained in this Section 12 and the covenants, warranties and representations of the Company and the Selling Stockholders contained in this Agreement shall remain in full force and effect regardless of any investigation made by or on behalf of the Underwriter, its partners, directors or officers or any person (including each partner, officer or director of such person) who controls the Underwriter within the meaning of Section 15 of the Act or Section 20 of the Exchange Act, or by or on behalf of the Company or the Selling Stockholders, their respective directors or officers or any person who controls the Company or any Selling Stockholder within the meaning of Section 15 of the Act or Section 20 of the Exchange Act, and shall survive any termination of this Agreement and the delivery of the Shares to be sold by the Selling Stockholders pursuant hereto. The Company, the Selling Stockholders and the Underwriter agree promptly to notify each other of the commencement of any Proceeding against it and, in the case of the Company or a Selling Stockholder, against any of their officers or directors in connection with the issuance and

sale of the Shares by the Selling Stockholders, or in connection with the Registration Statement, the Basic Prospectus, the Pre-Pricing Prospectus or the Prospectus.

13. Information Furnished by the Underwriter. The statements set forth in the third, eighth and ninth paragraphs under the caption “Underwriting” in the Prospectus Supplement, only insofar as such statements relate to the amount of selling concession and reallowance or to over-allotment and stabilization activities that may be undertaken by the Underwriter, constitute the only information furnished by or on behalf of the Underwriter, as such information is referred to in Sections 3 and 12 hereof.

14. Notices. Except as otherwise herein provided, all statements, requests, notices and agreements shall be in writing or by telegram or facsimile and, if to the Underwriter, shall be sufficient in all respects if delivered or sent to Credit Suisse Securities (USA) LLC, 00 Xxxxxxx Xxxxxx, Xxx Xxxx, XX 00000-0000, Attention: LCD-IBD and, if to the Company, shall be sufficient in all respects if delivered or sent to the Company at the offices of the Company at 000 Xxxxxxx Xxxxxx, Xxxxxxxxxx, XX 00000, Attention: Xxxxxx X. Xxxx, Esq., and, if to any Selling Stockholder, shall be sufficient in all respects if delivered or sent to Xxxxxx X. Xxxx, Esq., c/o the Company.

15. Governing Law; Construction. This Agreement and any claim, counterclaim or dispute of any kind or nature whatsoever arising out of or in any way relating to this Agreement (“Claim”), directly or indirectly, shall be governed by, and construed in accordance with, the laws of the State of New York. The section headings in this Agreement have been inserted as a matter of convenience of reference and are not a part of this Agreement.

16. Submission to Jurisdiction. Except as set forth below, no Claim may be commenced, prosecuted or continued in any court other than the courts of the State of New York located in the City and County of New York or in the United States District Court for the Southern District of New York, which courts shall have jurisdiction over the adjudication of such matters, and the Company and the Selling Stockholders each consents to the jurisdiction of such courts and personal service with respect thereto. The Company and the Selling Stockholders each hereby consents to personal jurisdiction, service and venue in any court in which any Claim arising out of or in any way relating to this Agreement is brought by any third party against the Underwriter or any indemnified party. The Underwriter, the Company (on its behalf and, to the extent permitted by applicable law, on behalf of its affiliates) and each Selling Stockholder (on its behalf and, in the case such Selling Stockholder is not an individual, to the extent permitted by applicable law, on behalf of its affiliates) each waive all right to trial by jury in any action, proceeding or counterclaim (whether based upon contract, tort or otherwise) in any way arising out of or relating to this Agreement. The Company and the Selling Stockholders each agree that a final judgment in any such action, proceeding or counterclaim brought in any such court shall be conclusive and binding upon the Company and each Selling Stockholder and may be enforced in any other courts to the jurisdiction of which the Company or any Selling Stockholder is or may be subject, by suit upon such judgment.

17. Parties at Interest. The Agreement herein set forth has been and is made solely for the benefit of the Underwriter, the Company and the Selling Stockholders and to the extent provided in Section 12 hereof the controlling persons, partners, directors and officers

referred to in such Section, and their respective successors, assigns, heirs, personal representatives and executors and administrators. No other person, partnership, association or corporation (including a purchaser, as such purchaser, from the Underwriter) shall acquire or have any right under or by virtue of this Agreement.

18. No Fiduciary Relationship. The Company and the Selling Stockholders each hereby acknowledge that the Underwriter is acting solely as underwriters in connection with the purchase and sale of the Company’s securities. The Company and the Selling Stockholders each further acknowledge that the Underwriter is acting pursuant to a contractual relationship created solely by this Agreement entered into on an arm’s length basis, and in no event do the parties intend that the Underwriter acts or is responsible as a fiduciary to the Company or any Selling Stockholder, their respective management, stockholders or creditors or any other person in connection with any activity that the Underwriter may undertake or have undertaken in furtherance of the purchase and sale of the Company’s securities, either before or after the date hereof. The Underwriter hereby expressly disclaims any fiduciary or similar obligations to the Company or any Selling Stockholder, either in connection with the transactions contemplated by this Agreement or any matters leading up to such transactions, and the Company and the Selling Stockholders each hereby confirm their understanding and agreement to that effect. The Company, the Selling Stockholders and the Underwriter agree that they are each responsible for making their own independent judgments with respect to any such transactions and that any opinions or views expressed by the Underwriter to the Company or any Selling Stockholder regarding such transactions, including, but not limited to, any opinions or views with respect to the price or market for the Company’s securities, do not constitute advice or recommendations to the Company or any Selling Stockholder. The Company and the Selling Stockholders each hereby waive and release, to the fullest extent permitted by law, any claims that the Company or any Selling Stockholder may have against the Underwriter with respect to any breach or alleged breach of any fiduciary or similar duty to the Company or any Selling Stockholder in connection with the transactions contemplated by this Agreement or any matters leading up to such transactions.

19. Counterparts. This Agreement may be signed by the parties in one or more counterparts which together shall constitute one and the same agreement among the parties.

20. Successors and Assigns. This Agreement shall be binding upon the Underwriter and the Company, the Selling Stockholders and their successors and assigns and any successor or assign of any substantial portion of the Company’s, any Selling Stockholder’s and any of the Underwriter’s respective businesses and/or assets.

[The Remainder of This Page Intentionally Left Blank; Signature Page Follows]

If the foregoing correctly sets forth the understanding among the Company, the Selling Stockholders and the Underwriter, please so indicate in the space provided below for that purpose, whereupon this Agreement and your acceptance shall constitute a binding agreement among the Company, the Selling Stockholders and the Underwriter, severally.


Very truly yours,

KOPPERS HOLDINGS INC.

	By	/s/ M. Xxxxxx Xxxxxxxx
		Name: M. Xxxxxx Xxxxxxxx Title: Treasurer and Assistant Secretary


SARATOGA PARTNERS III, L.P.

	By:	SARATOGA ASSOCIATES III, LLC,
		its General Partner

	By:	SARATOGA MANAGEMENT COMPANY
		LLC, its Investment Advisor

	By:	/s/ Xxxxxxxxx X. Xxxxxxxx
		Name: Xxxxxxxxx X. Xxxxxxxx Title: Managing Member


SARATOGA PARTNERS III C.V.

	By:	SELINUS CORPORATION III B.V.,
		its Managing Partner

	By:	Curaçao Corporation Company N.V.,
		Managing Director of Selinus Corporation III B.V.

	By:	/s/ Xxxxxxxxx X. Xxxxxxxx
		Name: Xxxxxxxxx X. Xxxxxxxx Title: Attorney-in-Fact

Underwriting Agreement


MANAGEMENT SELLING STOCKHOLDERS (as set forth in Schedule C annexed hereto)

	By:	/s/ Xxxxxx X. Xxxxx
		Name: Xxxxxx X. Xxxxx Title: Attorney-in-Fact

Accepted and agreed to as of the date

first above written,


CREDIT SUISSE SECURITIES (USA) LLC

	By	/s/ Xxxx Xxxxx
		Name: Xxxx Xxxxx Title: Director

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KOPPERS HOLDINGS INC. 1,610,000 Shares Common Stock ($0.01 par value per Share) Underwriting Agreement

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