Common use of Your Interest in the Registrable Securities Clause in Contracts

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures or Common Stock) and the principal amount or number of such Registrable Securities beneficially owned by you. Check any of the following that applies to you. [ ] I own Debentures: Principal amount and CUSIP No. of the Debentures beneficially owned: ________________________________________________________________ CUSIP No(s): ___________________________________________________ [ ] I own shares of Common Stock that were issued upon conversion of the Debentures: Number of shares and CUSIP No. of the Common Stock beneficially owned: ____________________________________________ CUSIP No(s):____________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of Impax? [ ] No (c) If your answer to Item 3(b) above is yes, state the type, the aggregate amount and CUSIP No. of such other securities of Impax beneficially owned by you: Type: __________________________________________________________ Aggregate amount: ______________________________________________ CUSIP No.: _____________________________________________________ (d) Did you acquire the securities listed in Item 3(a) above in the ordinary course of business? [ ] No (e) At the time of your purchase of the securities listed in Item 3(a) above, did you have any agreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] Yes [ ] No (f) If your response to Item 3(e) above is yes, please describe such agreements or understandings:

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures Notes or Common StockShares) and the principal amount or number of such Registrable Securities beneficially owned by you. Check any of the following that applies to you. [ ] . o I own DebenturesNotes: Principal amount and CUSIP No. No.(s) of the Debentures Notes beneficially owned: ________________________________________________________________ CUSIP No(sNo.(s): ___________________________________________________ [ ] o I own shares of Common Stock that were issued upon conversion of the DebenturesShares: Number of shares and CUSIP No. No.(s) of the Common Stock Shares beneficially owned: ____________________________________________ owned and CUSP No.(s): CUSIP No(sNo.(s):____________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of ImpaxFiberTower? [ ] o Yes o No (c) If your answer to Item 3(b) above is yes, state the type, the aggregate amount or number and their CUSIP No. No.(s) of such other securities of Impax FiberTower beneficially owned by you: Type: __________________________________________________________ Aggregate amountAmount: ______________________________________________ Number: CUSIP No.: _____________________________________________________No.(s): (d) Did you acquire the securities listed in Item 3(a) and Item 3(b) above in the ordinary course of business? [ ] o Yes o No (e) At the time of your purchase of the securities listed in Item 3(a) or Item 3(b) above, did you have any agreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] o Yes [ ] o No (f) If your response to Item 3(e) above is yes, please describe such agreements or understandings: (g) Unless otherwise indicated in the space provided below, all securities listed in response to Item 3(a) and Item 3(b) above will be included in the Shelf Registration Statement. If you do not wish all such securities to be so included, please indicate below the principal amount or the number of securities to be included:

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures Notes or Common Stock) and the principal amount or number of such Registrable Securities beneficially owned by you. Check any of the following that applies to you. [ ] I own DebenturesNotes: Principal amount and CUSIP No. of the Debentures Notes beneficially owned: ______________________________________________________________________ CUSIP No(s): _________________________________________________________ [ ] I own shares of Common Stock that were issued upon conversion of the DebenturesNotes: Number of shares and CUSIP No. of the Common Stock beneficially owned: CUSIP No(s): ____________________________________________ CUSIP No(s):____________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of ImpaxThe Greenbrier Companies, Inc. (including any Notes previously registered under the Securities Act)? [ ] Yes. [ ] No. (c) If your answer to Item 3(b) above is yes, state the type, the aggregate amount and CUSIP No. of such other securities of Impax The Greenbrier Companies, Inc. beneficially owned by you: Type: ________________________________________________________________ Aggregate amount: ____________________________________________________ CUSIP No.: ___________________________________________________________ (d) Did you acquire the securities listed in Item 3(a) above in the ordinary course of business? [ ] Yes. [ ] No. (e) At the time of your purchase of the securities listed in Item 3(a) above, did you have any agreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] Yes Yes. [ ] No. (f) If your response to Item 3(e) above is yes, please describe such agreements or understandings:: ______________________________________________________________________ ______________________________________________________________________

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures or Common Stock) and the principal amount or number of such Registrable Securities beneficially owned by youyou which were purchased pursuant to the Subscription Agreement. Check any of the following that applies to you. [ ] I own Debentures: Principal amount and CUSIP No. Number of shares of Common Stock which were purchased pursuant to the Debentures beneficially ownedSubscription Agreement: ________________________________________________________________ CUSIP No(s): ___________________________________________________ [ ] I own Number of shares of Common Stock that were issued issuable upon conversion exercise of Warrants purchased pursuant to the Debentures: Number of shares and CUSIP No. of the Common Stock beneficially ownedSubscription Agreement: ____________________________________________ CUSIP No(s):____________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of Impaxthe Company? [ ] o Yes o No (c) If your answer to Item 3(b) above is yes, state the type, the and aggregate amount and CUSIP No. of such other securities of Impax the Company beneficially owned by you: Type: __________________________________________________________ Aggregate amount: ______________________________________________ CUSIP No.: _____________________________________________________ (d) Did you acquire the securities listed in Item 3(a) above in the ordinary course of business? [ ] o Yes o No (e) At the time of your purchase of the securities listed in Item 3(a) above, did you have any agreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] o Yes [ ] o No (f) If your response to Item 3(e) above is yes, please describe such agreements or understandings:

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures Notes or Common Stock) and the principal amount or number of such Registrable Securities beneficially owned by you. Check any of the following that applies to you. [ ] I own DebenturesNotes: Principal amount and CUSIP No. of the Debentures Notes beneficially owned: ______________Principal Amount: __________________________________________________ CUSIP No(s): _______________________________________________________ [ ] I own shares of Common Stock that were issued upon conversion of the DebenturesNotes: Number of shares and CUSIP No. of the Common Stock beneficially owned: Number of shares: __________________________________________________ CUSIP No(s):): _______________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of ImpaxSynaptics Incorporated (including any Notes previously registered under the Securities Act)? [ ] Yes. [ ] No. (c) If your answer to Item 3(b) above is yes, state the type, the aggregate amount amount, and CUSIP No. of such other securities of Impax Synaptics Incorporated beneficially owned by you: Type: ______________________________________________________________ Aggregate amount: __________________________________________________ CUSIP No.: _________________________________________________________ (d) Did you acquire the securities listed in Item 3(a) above in the ordinary course of business? [ ] NoYes. (e) At the time of your purchase of the securities listed in Item 3(a) above, did you have any agreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] Yes Yes. [ ] No. (f) If your response to Item 3(e) above is yes, please describe such agreements or understandings:: ____________________________________________________________________ ____________________________________________________________________

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures Notes or Common StockUnderlying Securities) and the principal amount or number of such Registrable Securities beneficially owned by you. Check any of the following that applies to you. [ ] ☐ I own DebenturesNotes: Principal amount and CUSIP No. No.(s) of the Debentures Notes beneficially owned: ________________________________________________________________ CUSIP No(sNo.(s): ___________________________________________________ [ ] ☐ I own shares of Common Stock Underlying Securities that were issued upon conversion of pursuant to the DebenturesIndenture and the Notes: Number of shares and CUSIP No. No.(s) of the Common Stock Underlying Securities beneficially owned: ____________________________________________ CUSIP No(sNo.(s):____________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of Impaxthe Company? [ ] ☐ Yes ☐ No (c) If your answer to Item 3(b) above is yes, state the type, the aggregate amount or number and their CUSIP No. No.(s) of such other securities of Impax the Company beneficially owned by you: Type: __________________________________________________________ Aggregate amountAmount: ______________________________________________ Number: CUSIP No.: _____________________________________________________No.(s): (d) Did you acquire the securities listed in Item 3(a) above in the ordinary course of business? [ ] ☐ Yes ☐ No (e) At the time of your purchase of the securities listed in Item 3(a) above, did you have any agreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] ☐ Yes [ ] ☐ No (f) If your response to Item 3(e) above is yes, please describe such agreements or understandings: (g) Unless otherwise indicated in the space provided below, all Registrable Securities listed in response to Item 3(a) above will be included in the Registration Statement. If you do not wish all such Registrable Securities to be so included, please indicate below the principal amount or the number of Registrable Securities to be included:

Your Interest in the Registrable Securities. (a) State the type of Registrable Securities (Debentures or Common Stock) and the principal amount or number of such Registrable Securities beneficially owned by you. Check any of the following that applies to you. [ ] ¨ I own Debentures: Principal amount and CUSIP No. of the Debentures beneficially owned: _________________________________________________________________________________________ CUSIP No.(s): _______________________________________________________________________________ ¨ I own shares of Common Stock that were issued upon conversion of the Debentures: Number of shares and CUSIP No. of the Common Stock beneficially owned: _________________________________________________________________________________________ CUSIP No.(s): _______________________________________________________________________________ (b) Other than as set forth in your response to Item 3(a) above, do you beneficially own any other securities of Broadwing? ¨ Yes ¨ No (c) If your answer to Item 3(b) above is yes, state the type, the aggregate amount and CUSIP No. of such other securities of Broadwing beneficially owned by you: Type: ______________________________________________________________________________ Aggregate Amount: ____________________________________________________________________ Amount: ____________________________________________________________________________ CUSIP No(s): ___________________________________________________ [ ] I own shares of Common Stock that were issued upon conversion of the Debentures: Number of shares and CUSIP No. of the Common Stock beneficially owned: ____________________________________________ CUSIP No(s):____________________________________________________ (bd) Other than as set forth Did you acquire the securities listed in Item 3(a) above in the ordinary course of business? ¨ Yes ¨ No (e) At the time of your response to purchase of the securities listed in Item 3(a) above, do did you beneficially own have any other securities of Impaxagreements or understandings, directly or indirectly, with any person to distribute the securities? [ ] ¨ Yes ¨ No (cf) If your answer response to Item 3(b3(e) above is yes, state the type, the aggregate amount and CUSIP No. of please describe such other securities of Impax beneficially owned by you: Typeagreements or understandings: _________________________________________________________________________________________ Aggregate amount: ______________________________________________ CUSIP No.: _____________________________________________________ (dg) Did you acquire Unless otherwise indicated in the securities space provided below, all Registrable Securities listed in response to Item 3(a) above will be included in the ordinary course of business? [ ] No (e) At the time of your purchase of the securities listed in Item 3(a) above, did Shelf Registration Statement. If you have any agreements or understandings, directly or indirectly, with any person do not wish all such Registrable Securities to distribute the securities? [ ] Yes [ ] No (f) If your response to Item 3(e) above is yesbe so included, please describe such agreements indicate below the principal amount or understandings:the number of Registrable Securities to be included: _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________