Common use of Amendment, Modification and Waiver Clause in Contracts

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and (ii) the Seller; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Agent and (ii) the SellerCompany; provided, however, that any party Party to this Agreement may waive in writing any obligation owed to it by any other party Party under this Agreement. The waiver by any party Party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) each of the Buyer and (ii) the Seller; providedparties hereto, however, except that any party to this Agreement may waive any obligation owed to it by any other another party under this Agreement. The waiver by any party hereto of a breach of any provision provisions of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be ---------------------------------- altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Purchasers and (ii) the Seller; providedCompany, however, that any party to this Agreement may waive and any obligation owed to it by any other a party under this AgreementAgreement may only be waived in a writing signed by such party. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be ---------------------------------- altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Purchaser and (ii) the Seller; providedCompany, however, that any party to this Agreement may waive and any obligation owed to it by any other a party under this AgreementAgreement may only be waived in a writing signed by such party. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall ---------------------------------- not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Purchasers and (ii) the Seller; providedCompany, however, that any party to this Agreement may waive and any obligation owed to it by any other a party under this AgreementAgreement may only be waived in a writing signed by such party. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and (ii) the Seller; providedeach party to be charged therewith, however, except that any party to this Agreement may waive any obligation owed to it by any other another party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) each of the Buyer and (ii) the Sellerparties hereto; providedPROVIDED, howeverHOWEVER, that any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) each of the Buyer and (ii) the Seller; providedparties hereto, however, except that any party to this Agreement may waive any obligation owed to it by any other another party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be ---------------------------------- altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Purchaser and (ii) the Seller; providedSellers, however, that any party to this Agreement may waive and any obligation owed to it by any other a party under this AgreementAgreement may only be waived in a writing signed by such party. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and Parent, (ii) the SellerCompany and (iii) the Stockholder; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or of otherwise amended except pursuant to an instrument in writing signed executed by (i) the Buyer TARGET, COMPANY, and (ii) the SellerPARENT; provided, however, that any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision provisions of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and Buyer, (ii) Seller and (iii) the SellerPartners; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Buyer, the Sellers and (ii) the SellerSeller Parent; provided, however, that any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and (ii) the Seller; provided, however, that any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be ---------------------------------- altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Purchasers and (ii) the Seller; providedSellers, however, that any party to this Agreement may waive and any obligation owed to it by any other a party under this AgreementAgreement may only be waived in a writing signed by such party. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) Parent, the Buyer Buyer, the Seller and (ii) the Seller; provided, however, that any Alloy. Any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. 15.1. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) each of the Buyer and (ii) the Seller; providedparties hereto, however, except that any party to this Agreement may waive any obligation owed to it by any other another party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.. UPENN-Merck Standard 7

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) Parent and the Buyer and (ii) the SellerCompany; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Buyer, Parent and (ii) the Seller; provided, however, that any Company. Any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) all of the Buyer and (ii) the Seller; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreementparties hereto. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Alloy, CASS and (ii) the SellerStockholder; provided, however, that any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be ---------------------------------- altered or otherwise amended except pursuant to an instrument in writing signed by (i) Parent and the Buyer and (ii) the SellerCompany; provided, however, that any party to this Agreement -------- ------- any other party under this Agreement. The waiver by any party hereto of a breach may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and (ii) the Sellereach party hereto; providedPROVIDED, howeverHOWEVER, that any party to this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and Buyer, (ii) the SellerSeller and (iii) the Partners; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be ---------------------------------- altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer Alloy, Acquisition Sub and (ii) the SellerMarketSource; provided, however, that any party to -------- ------- this Agreement may waive in writing any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended except pursuant to an instrument in writing signed by (i) the Buyer and Parent, (ii) the SellerCompany and (iii) the Stockholders; provided, however, that any party to this Agreement may waive any obligation owed to it by any other party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended amended, except pursuant to an instrument in writing signed by (i) the Buyer Buyer, the Seller and (ii) the Seller; Members, provided, however, that any party to this Agreement may waive any obligation owed to it by any other another party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.

Amendment, Modification and Waiver. This Agreement shall not be altered or otherwise amended amended, except pursuant to an instrument in writing signed by (i) the Buyer and (ii) the Seller; , provided, however, that any party to this Agreement may waive any obligation owed to it by any other another party under this Agreement. The waiver by any party hereto of a breach of any provision of this Agreement shall not operate or be construed as a waiver of any subsequent breach.