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Disclaimer This presentation is for informational purposes only and does not constitute an offer to sell, a solicitation of an offer to buy, or a recommendation to purchase any equity, debt or other financial instruments of PAE Holding Corporation (“PAE” or the “Company”) or Gores Holdings III, Inc. (“Gores”) or any of PAE’s or Gores’ affiliates’ securities (as such term is defined under U.S. federal securities laws). This presentation has been prepared to assist interested parties in making their own evaluation with respect to the proposed business combination and for no other purpose. PAE and Gores assume no obligation to update or keep current the information contained in this presentation, to remove any outdated information or to expressly mark it as being outdated. No securities commission or securities regulatory authority or other regulatory body or authority in the United States or any other jurisdiction has in any way passed upon the merits of, or the accuracy and adequacy of, this presentation. You should not construe the contents of this presentation as legal, accounting, business or tax advice and you should consult your own professional advisors as to the legal, accounting, business, tax, financial and other matters contained herein. No representation or warranty, express or implied, is or will be given by Gores nor PAE or any of their affiliates, directors, officers, employees or advisers or any other person as to the accuracy or completeness of the information in this presentation (including as to the accuracy or reasonableness of statements, estimates, targets, projections, assumptions or judgments) or any other written, oral or other communications transmitted or otherwise made available to any party in the course of its evaluation of a possible transaction. Accordingly, none of Gores and PAE or any of their respective affiliates, directors, officers, employees, or advisers or any other person shall be liable for any direct, indirect, or consequential loss or damages suffered by any person as a result of relying on any statement in or omission from this presentation and any such liability is expressly disclaimed. Certain information contained herein has been derived from sources prepared by third parties. While such information is believed to be reliable for the purposes used herein, none of Gores’, PAE’s, their respective affiliates, nor Gores’, PAE’s or their affiliates’ directors, officers, employees, members, partners, shareholders, or agents makes any representation or warranty with respect to the accuracy of such information. Use of Projections This presentation contains financial forecasts with respect to certain financial measurements of PAE, including, but not limited to PAE’s projected Revenue, Free Cash Flow and Adjusted EBITDA for PAE’s fiscal years 2019 through 2021. Neither Gores’ independent auditors, nor the independent registered public accounting firm of PAE, audited, reviewed, compiled, or performed any procedures with respect to the projections for the purpose of their inclusion in this presentation, and accordingly, neither of them expressed an opinion or provided any other form of assurance with respect thereto for the purpose of this presentation. These projections should not be relied upon as being necessarily indicative of future results. Neither Gores nor PAE undertakes any commitment to update or revise the projections, whether as a result of new information, future events or otherwise. In this presentation, certain of the above-mentioned projected information has been repeated (in each case, with an indication that the information is an estimate and is subject to the qualifications presented herein), for purposes of providing comparisons with historical data. The assumptions and estimates underlying the prospective financial information are inherently uncertain and are subject to a wide variety of significant business, economic and competitive risks and uncertainties that could cause actual results to differ materially from those contained in the prospective financial information. Accordingly, there can be no assurance that the prospective results are indicative of the future performance of Gores or PAE or that actual results will not differ materially from those presented in the prospective financial information. Inclusion of the prospective financial information in this presentation should not be regarded as a representation by any person that the results contained in the prospective financial information will be achieved. Forward-Looking Statements This presentation includes “forward-looking statements” within the meaning of the “safe harbor” provisions of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by the use of words such as “forecast,” “intend,” “seek,” “target,” “anticipate,” “believe,” “expect,” “estimate,” “plan,” “outlook,” and “project” and other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. Such forward-looking statements include projected financial information. Such forward-looking statements with respect to revenues, earnings, performance, strategies, prospects and other aspects of the businesses of Gores, PAE or the combined company after completion of any proposed business combination are based on current expectations that are subject to risks and uncertainties. A number of factors could cause actual results or outcomes to differ materially from those indicated by such forward-looking statements. These factors include, but are not limited to: (1) the inability to complete the transactions contemplated by the proposed business combination; (2) the inability to recognize the anticipated benefits of the proposed business combination, which may be affected by, among other things, competition, and the ability of the combined business to grow and manage growth profitably; (3) costs related to the proposed business combination; (4) changes in applicable laws or regulations; (5) the inability to successfully retain or recruit officers, key employees or directors following the proposed business combination; (6) effects of Gores’ public securities’ liquidity and trading; (7) the market’s reaction to the proposed business combination; (8) the lack of a market for Gores’ securities; (9) Gores’ and PAE’s financial performance following the proposed business combination; (10) the possibility that PAE or Gores may be adversely affected by other economic, business, and/or competitive factors; and (11) other risks and uncertainties indicated from time to time in the final prospectus of Gores, including those under “Risk Factors” therein, and other documents filed or to be filed with the Securities and Exchange Commission by Gores. You are cautioned not to place undue reliance upon any forward-looking statements, including the projections, which speak only as of the date made. Neither Gores nor PAE undertake any commitment to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise. Accordingly, forward-looking statements, including any projections or analysis, should not be viewed as factual and should not be relied upon as an accurate prediction of future results. The forward-looking statements contained in this presentation are based on our current expectations and beliefs concerning future developments and their potential effects on Gores and PAE. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond our control), or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. We undertake no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable securities laws. Accordingly, you should not put undue reliance on these statements. Industry and Market Data In this presentation, Gores and PAE rely on and refer to information and statistics regarding market shares in the sectors in which PAE competes and other industry data. Gores and PAE obtained this information and statistics from third-party sources, including reports by market research firms. Gores and PAE have supplemented this information where necessary with information from discussions with PAE customers and its own internal estimates, taking into account publicly available information about other industry participants and PAE’s management’s best view as to information that is not publicly available. Use ofNon-GAAP Financial Measures This presentation includesnon-GAAP financial measures, including Pro Forma (PF) Revenue, earnings before interest, taxes, depreciation and amortization (“EBITDA”), Adjusted EBITDA, Pro Forma Adjusted EBITDA and Free Cash Flow (“FCF”). Pro Forma Revenue adjusts for the restructured ASC contract to normalize historical performance relative to new contract terms. Adjusted EBITDA is defined as EBITDA, as adjusted as described in this presentation for historical costs and estimated cost savings and synergies. Pro Forma Adjusted EBITDA is defined as Adjusted EBITDA, as described in this presentation as adjusted for the restructured ASC Contract, estimated public company costs and other pro forma cost savings. Free Cash Flow is defined as EBITDA minus capital expenditures. PAE believes that thesenon-GAAP measures of financial results provide useful information to management and investors regarding certain financial and business trends relating to PAE’s financial condition and results of operations. PAE’s management uses thesenon-GAAP measures to compare PAE’s performance to that of prior periods for trend analyses, for purposes of determining management incentive compensation, and for budgeting and planning purposes. These measures are used in monthly financial reports prepared for management and PAE’s board of directors. Gores and PAE believe that the use of thesenon-GAAP financial measures provides an additional tool for investors to use in evaluating ongoing operating results and trends. Management of PAE does not consider thesenon-GAAP measures in isolation or as an alternative to financial measures determined in accordance with GAAP. Other companies may calculatenon-GAAP measures differently, and therefore thenon-GAAP measures of PAE included in this presentation may not be directly comparable to similarly titled measures of other companies. Additional Information In connection with the proposed business combination between PAE and Gores, Gores intends to file with the SEC a preliminary proxy statement and will mail a definitive proxy statement and other relevant documentation to Gores stockholders. This investor presentation does not contain all the information that should be considered in the proposed business combination. It is not intended to form any basis of any investment decision or any other decision in respect to the proposed business combination. Gores stockholders and other interested persons are advised to read, when available, the preliminary proxy statement and any amendments thereto, and the definitive proxy statement in connection with Gores’ solicitation of proxies for the special meeting to be held to approve the transactions contemplated by the proposed business combination because these materials will contain important information about PAE, Gores and the proposed transactions. The definitive proxy statement will be mailed to Gores stockholders as of a record date to be established for voting on the proposed business combination when it becomes available. Stockholders will also be able to obtain a copy of the preliminary proxy statement and definitive proxy statement once they are available, without charge, at the SEC’s website at https://www.sec.gov/ or by directing a request to Gores Holdings III, Inc., c/o The Gores Group LLC, 9800 Wilshire Boulevard, Beverly Hills, CA 90212, attention: Jennifer Kwon Chou (jchou@gores.com). This presentation shall not constitute a solicitation of a proxy, consent or authorization with respect to any securities or in respect of the proposed business combination. Participants in the Solicitations Gores and its directors and officers may be deemed participants in the solicitation of proxies of Gores stockholders in connection with the proposed business combination. Gores stockholders and other interested persons may obtain, without charge, more detailed information regarding directors and officers of Gores in Gores Annual Report on Form10-K for the fiscal year ended December 31, 2018, which was filed with the SEC on March 18, 2019. Information regarding the persons who may, under SEC rules, be deemed participants in the solicitation of proxies to Gores’ stockholders in connection with the proposed business combination will be included in the proxy statement Gores intends to file with the SEC. 1