Guarantor shall remain obligated hereunder notwithstanding that, without any reservation of rights against Guarantor, and without notice to or further assent by Guarantor, any demand for payment of any of the Obligations made by Buyer may be rescinded by Buyer and any of the Obligations continued, and the Obligations, or the liability of any other party upon or for any part thereof, or any collateral security or guarantee therefor or right of offset with respect thereto, may, from time to time, in whole or in part, be renewed, extended, amended, modified, accelerated, compromised, waived, surrendered or released by Buyer, and any Governing Agreement and any other document in connection therewith may be amended, modified, supplemented or terminated, in whole or in part, as Buyer may deem advisable from time to time, and any collateral security, guarantee or right of offset at any time held by Buyer for the payment of the Obligations may be sold, exchanged, waived, surrendered or released. Buyer shall have no obligation to protect, secure, perfect or insure any lien at any time held by it as security for the Obligations or for this Guarantee or any property subject thereto. When making any demand hereunder against Guarantor, Buyer may, but shall be under no obligation to, make a similar demand on any Seller, any Parent or any other Person, and any failure by Buyer to make any such demand or to collect any payments from any Seller, any Parent or any such other Person or any release of any Seller, any Parent or such other Person shall not relieve Guarantor of its Obligations or liabilities hereunder, and shall not impair or affect the rights and remedies, express or implied, or as a matter of law, of Buyer against Guarantor. For the purposes hereof “demand” shall include the commencement and continuance of any legal proceedings.