Assistance and Power of Attorney. Employee agrees to assist the Company, or its designee, at the Company’s expense, in every way to secure the Company’s rights in the Inventions and any copyrights, patents, trademarks, mask work rights, moral rights, or other intellectual property rights relating thereto in any and all countries, including the disclosure to the Company of all pertinent information and data with respect thereto, the execution of all applications, specifications, oaths, assignments, recordations, and all other instruments which the Company shall deem necessary in order to apply for, obtain, maintain and transfer such rights and in order to assign and convey to the Company, its successors, assigns and nominees the sole and exclusive rights, title and interest in and to such Inventions, and any copyrights, patents or other intellectual property rights relating thereto. Employee further agrees that it is and shall remain Employee’s obligation to execute or cause to be executed, when it is in Employee’s power to do so, any such instrument or papers as required by the Company after the termination of this Agreement until the expiration of the last such intellectual property right to expire in any country of the world. In the event the Company is unable because of any mental or physical incapacity or unavailability or for any other reason to secure Employee’s signature to apply for or to pursue any application for any United States or foreign patents or copyright registrations covering Inventions or original works of authorship assigned to the Company as above, Employee hereby irrevocably designates and appoints the Company and its duly authorized officers and agents as his agent and attorney in fact, to act for and on Employee’s behalf and stead to execute and file any such applications and to do all other lawfully permitted acts to further the application for, prosecution, issuance, maintenance or transfer of letters patent or copyright registrations thereon with the same legal force and effect as if originally executed by Employee. Employee hereby waives and irrevocably quitclaims to the Company any and all claims, of any nature whatsoever, which Employee now or hereafter has for infringement of any and all proprietary rights assigned to the Company.

The Obligor authorizes each of the Secured Parties, and does hereby make, constitute and appoint it, and its respective officers, agents, successors or assigns with full power of substitution, as the Obligor’s true and lawful attorney-in-fact, with power, in its own name or in the name of the Obligor, to, after the occurrence and during the continuance of an Event of Default, # endorse any notes, checks, drafts, money orders, or other instruments of payment (including payments payable under or in respect of any policy of insurance) in respect of the Collateral that may come into possession of such Secured Party; # to sign and endorse any UCC financing statement or any invoice, freight or express bill, bill of lading, storage or warehouse receipts, drafts against debtors, assignments, verifications and notices in connection with accounts, and other documents relating to the Collateral; # to pay or discharge taxes, liens, security interests, or other encumbrances at any time levied or placed on or threatened against the Collateral; # to demand, collect, receipt for, compromise, settle, and sue for monies due in respect of the Collateral; and # generally, to do, at the option of such Secured Party, and at the Obligor’s expense, at any time, or from time to time, all acts and things which such Secured Party deems necessary to protect, preserve, and realize upon the Collateral and the Security Interest granted therein in order to effect the intent of this Agreement, the Notes, and the Transaction Documents all as fully and effectually as the Obligor might or could do; and the Obligor hereby ratifies all that said attorney shall lawfully do or cause to be done by virtue hereof. This power of attorney is coupled with an interest and shall be irrevocable for the term of this Agreement and thereafter as long as any of the Obligations shall be outstanding.

POWER OF ATTORNEY. [[Organization A:Organization]] irrevocably appoints [[Organization B:Organization]] and its successors and as true and lawful attorney in fact, and authorizes [[Organization B:Organization]] # to, whether or not there has been an Event of Default, # demand, collect, receive, sue, and give releases to any Account Debtor for the monies due or which may become due upon or with respect to the Receivables and to compromise, prosecute, or defend any action, claim, case or proceeding relating to the Receivables, including the filing of a claim or the voting of such claims in any bankruptcy case, all in [[Organization B:Organization]]’s name or [[Organization A:Organization]]’s name, as [[Organization B:Organization]] may choose; # prepare, file and sign [[Organization A:Organization]]’s name on any notice, claim, assignment, demand, draft, or notice of or satisfaction of lien or mechanics’ lien or similar document; # notify all Account Debtors with respect to the Receivables to pay [[Organization B:Organization]] directly; # receive and open all mail addressed to [[Organization A:Organization]] for the purpose of collecting the Receivables; # endorse [[Organization A:Organization]]’s name on any checks or other forms of payment on the Receivables; # execute on behalf of [[Organization A:Organization]] any and all instruments, documents, financing statements and the like to perfect [[Organization B:Organization]]’s interests in the Receivables and Collateral; # debit any [[Organization A:Organization]]’s deposit accounts maintained with [[Organization B:Organization]] for any and all Obligations due under this Agreement; and # do all acts and things necessary or expedient, in furtherance of any such purposes, and # to, upon the occurrence and during the continuance of an Event of Default, sell, assign, transfer, pledge, compromise, or discharge the whole or any part of the Receivables. Upon the occurrence and continuation of an Event of Default, all of the power of attorney rights granted by [[Organization A:Organization]] to [[Organization B:Organization]] hereunder shall be applicable with respect to all Receivables and all Collateral.

Power of Attorney. Each Grantor hereby appoints any officer or agent of the Bank as such Grantor’s true and lawful attorney-in-fact (which appointment constitutes a power coupled with an interest and is irrevocable as long as any of the Secured Obligations remain outstanding) with power to endorse the name of such Grantor upon any notes, checks, drafts, money orders or other instruments of payment or Collateral which may come into possession of the Bank; to sign and endorse the name of such Grantor upon

Power of Attorney. Each Borrower hereby appoints Agent, and its agents and designees, the true and lawful agents and attorneys-in-fact of such Borrower, with full power of substitution, # to # during the continuance of an Event of Default, upon prior written notice to Borrowers, receive, open and dispose of all mail addressed to such Borrower relating to the Collateral, # during the continuance of an Event of Default, upon prior written notice to Borrowers, notify and direct the United States Post Office authorities by notice given in the name of such Borrower and signed on its behalf, to change the address for delivery of all mail addressed to such Borrower relating to the Collateral to an address to be designated by Agent, and to cause such mail to be delivered to such designated address where Agent may open all such mail and remove therefrom any notes, checks, acceptances, drafts, money orders or other instruments in payment of the Collateral in which Agent has a security interest hereunder and any documents relative thereto, with full power to endorse the name of such Borrower upon any such notes, checks, acceptances, drafts, money order or other form of payment or on Collateral or security of any kind and to effect the deposit and collection thereof, and Agent shall have the further right and power to endorse the name of such Borrower on any documents otherwise relating to such Collateral, # during the continuance of an Event of Default, upon prior or contemporaneous written notice to Borrowers, send notices to such Contract Debtors or account debtors, and # during the continuance of an Event of Default, do any and all other things necessary or proper to carry out the intent of this Agreement; and # at all times, to do any and all other things necessary or proper to perfect and protect the Liens and rights of Agent and Lenders created under this Agreement. Each Borrower agrees that neither Agent or any Lender nor any of its agents, designees or attorneys-in-fact will be liable for any acts of commission or omission, or for any error of judgment or mistake of fact or law, except for those arising from the gross negligence or willful misconduct of the Agent or any Lender or any of their agents, designees or attorneys-in-fact.

Power of Attorney. The Company, its successors and assigns, is hereby appointed the attorney-in-fact, with full power of substitution, of you for the purpose of carrying out the provisions of this Agreement and taking any action and executing any instruments which such attorney-in-fact may deem necessary or advisable to accomplish the purposes hereof, which appointment as attorney-in-fact is irrevocable and coupled with an interest. The Company, as attorney-in-fact for you, may in your name and stead, make and execute all conveyances, assignments and transfers of Stock and property provided for herein, and you hereby ratify and confirm that which the Company, as said attorney-in-fact, shall do by virtue hereof. Nevertheless, you shall, if so requested by the Company, execute and deliver to the Company all such instruments as may, in the judgment of the Company, be advisable for this purpose.

Until the conclusion of the Employment Term and indefinitely thereafter [[Mr. Hackney:Person]] will continue to cooperate as reasonably requested from time to time in Cracker Barrel’s defense of litigation instituted by any private party (but specifically excluding Government Agencies, as defined below). To that end, [[Mr. Hackney:Person]] will not voluntarily provide any information or testimony concerning the Company or any subsidiary to a non-Government Agency absent a court order or subpoena compelling him to do so. In the event [[Mr. Hackney:Person]] receives such an order or subpoena, he further agrees to: # provide a copy of the order/subpoena to the Company’s General Counsel within 24 hours of receipt; # oppose any such subpoena and/or allow the Company to oppose such a subpoena on him behalf; and # cooperate with the Company in preparing for him testimony if and when it is compelled or requested by the Company and [[Mr. Hackney:Person]] will testify truthfully in all matters, including on those occasions when he may be called upon by the Company to do so. All reasonable costs incurred by [[Mr. Hackney:Person]] in connection with him obligations under this Section will be reimbursed by the Company upon a timely request for reimbursement.

Transition Assistance. The Transition Agreement will require the Opt-Out Party to, at no cost to the Continuing Party, provide reasonable consultation and assistance for a period of no more than ​ for the purpose of disclosing and providing to the Continuing Party, all the Unum Reversion IP or the SGI Reversion IP (as the case may be) not already in the Continuing Party’s possession that is relevant to the Reversion Product, and, at the Continuing Party’s request, all then-existing commercial arrangements to the extent relating solely and specifically to the Reversion Product that the Opt-Out Party is able, using reasonable commercial efforts, to disclose and provide to the Continuing Party, in each case, to the extent reasonably necessary or useful for the Continuing Party to commence or continue Researching, Developing, Manufacture (but only to the extent permitted pursuant to [Section 3.3(g)(iii)]) or Commercializing the Reversion Product. The foregoing will include assigning or sublicensing, upon request of the Continuing Party, any agreements with Third Party vendors to the extent they specifically cover the sale of the Reversion Product to the extent possible. If any such contract between the Opt-Out Party and a Third Party is not assignable to the Continuing Party (whether by such contract’s terms or because such contract does not relate specifically to the Reversion Product) but is otherwise reasonably necessary or useful for the Continuing Party to commence or continue Researching, Developing, Manufacture (but only to the extent permitted pursuant to [Section 3.3(g)(iii)]) or Commercializing the Reversion Product, then the Opt-Out Party will reasonably cooperate with the Continuing Party in the Continuing Party’s efforts to obtain from such Third Party the assignment or sublicense of such contract or of that portion of such contract that solely relates to Researching, Developing, Manufacture (but only to the extent permitted pursuant to [Section 3.3(g)(iii)]) or Commercializing the Reversion Product.

Technical Assistance. Northern shall reasonably collaborate with Spero in the further development of the Licensed Compounds. Such collaboration shall include Northern providing Spero with reasonable access by teleconference or in-person at Northern’s facilities to Northern personnel who have been involved in the research and development of the Licensed Compounds to provide Spero with a reasonable level of technical assistance and consultation in connection with the transfer of Northern Know-How.

Email Assistance. Kx will make a member of its technical staff available by email weekdays, excluding holidays, between 8:00 a.m. and 5:00 p.m., U.S. East Coast (EST/EDT) time, to ​’s designated Technical Contact. ​ may designate ​ technical contacts. Kx will consider requests by ​ that additional persons be designated a Technical Contacts. Error reports should be sent to ​.