Any Property Costs that are not reflected in the adjustments to the Purchase Price following the final adjustment pursuant to Section 9.4(b) shall be treated as follows: (a) all Property Costs for which Seller is responsible under Section 2.4 shall be the sole obligation of Seller, and Seller shall promptly pay, or, if paid by Buyers, promptly reimburse Buyers for and hold Buyers harmless from and against, such Property Costs; and (b) all Property Costs for which Buyers are responsible under Section 2.4 shall be the sole obligation of Buyers, and Buyers shall promptly pay, or, if paid by Seller, promptly reimburse Seller for and hold Seller harmless from and against, such Property Costs. Furthermore, Seller shall promptly pay, or if paid by Buyers, promptly reimburse Buyers for and hold Buyers harmless from and against, any costs (other than Property Costs) which result in the increase of the Purchase Price pursuant to Section 3.2 . Seller is entitled to resolve all joint interest audits and other audits of Property Costs covering periods for which Seller is in whole or in part responsible, provided that Seller shall not agree to any adjustments to previously assessed costs for which Buyers are liable without the prior written consent of Buyers, such consent not to be unreasonably withheld. Seller shall provide Buyers with a copy of all applicable audit reports and written audit agreements received by Seller and relating to periods for which Buyers are partially responsible.