[1]

Excludes Dominion's guarantee for the construction of a new corporate office property as discussed in Note 22 to the Consolidated Financial Statements in the Companies' Annual Report on Form 10-K for the year ended December 31, 2016.

[2]

Guarantees related to commodity commitments of certain subsidiaries. These guarantees were provided to counterparties in order to facilitate physical and financial transaction related commodities and services.

[3]

Guarantees related to certain DEI subsidiaries' regarding all aspects of running a nuclear facility.

[4]

Includes guarantees to facilitate the development of solar projects. Also includes guarantees entered into by DEI on behalf of certain subsidiaries to facilitate the acquisition and development of solar projects.

[5]

Guarantees related to other miscellaneous contractual obligations such as leases, environmental obligations, construction projects and insurance programs. Due to the uncertainty of worker’s compensation claims, the parental guarantee has no stated limit. Also included are guarantees related to certain DEI subsidiaries' obligations for equity capital contributions and energy generation associated with Fowler Ridge and NedPower. As of March 31, 2017, Dominion's maximum remaining cumulative exposure under these equity funding agreements is $26 million through 2019 and its maximum annual future contributions could range from approximately $4 million to $19 million.

[6]

Guarantees related to Cove Point, in support of terminal services, transportation and construction.