Both ISS and Glass Lewis Recommend that GM Shareholders Vote FOR ALL GM Board Nominees and AGAINST the Greenlight Proposal

DETROIT – General Motors Co. (NYSE: GM) today announced that Institutional Shareholder Services ("ISS"), a leading independent proxy advisory firm, has recommended that GM shareholders vote FOR ALL of the Board's nominees and AGAINST the Greenlight proposal at the Company's 2017 Annual Meeting of Shareholders to be held on June 6, 2017. Glass Lewis, another leading independent proxy advisory firm, had previously issued similar recommendations in favor of ALL GM Board nominees and AGAINST the Greenlight proposal.

Consistent with the ISS and Glass Lewis recommendations, GM urges shareholders to vote FOR ALL of the Board nominees and AGAINST the Greenlight proposal TODAY by telephone, online or by signing, dating and returning the WHITE proxy card in the postage-paid envelope provided.

See materials under "Related Resources" for GM's full press release.