DISCLAIMER IMPORTANT INFORMATION This presentation is for informational purposes only and has been prepared to assist interested parties in making their own evaluation with respect to the proposed business combination (the “Proposed Transaction”) between Easterly Acquisition Corp. (“Easterly”) and Sirius International Insurance Group, Ltd. (“Sirius Group” or the “Company”). The information contained in this presentation does not purport to be all inclusive. The data contained herein is derived from various internal and external sources. The information contained in this presentation is not, and should not be assumed to be, complete and does not present all the information that investors may require or desire in considering the Proposed Transaction. It is not intended to form the basis of any investment decision or any other decision in respect of the Proposed Transaction. Any data on past performance or modeling contained in this presentation is no indication as to future performance. Neither Easterly nor Sirius Group assume any obligation to update the information in this presentation. No securities commission or securities regulatory authority or other authority in the United States or any other jurisdiction has in any way passed upon the merits of the Proposed Transaction or the accuracy or adequacy of this presentation. NO OFFER OR SOLICITATION This presentation is neither an offer to sell, nor the solicitation of an offer to sell any securities, nor is it a solicitation of any vote, consent, or approval in any jurisdiction pursuant to or in connection with the Proposed Transaction or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. No offering of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act of 1933, as amended, or in a transaction exempt from the registration requirements of that Act. ADDITIONAL INFORMATION AND WHERE TO FIND IT This communication relates to a proposed business combination (the “Proposed Transaction”) between Easterly and Sirius Group and may be deemed to be solicitation material in respect of the Proposed Transaction. Easterly previously filed with the SEC reports on Form 8-K regarding the Proposed Transaction contemplated by the Merger Agreement, which included the Merger Agreement and the Amendment to the Merger Agreement as exhibits thereto. All parties desiring details regarding the Proposed Transaction, including the Merger, are urged to review these documents, which are available at the SEC’s website (http://www.sec.gov) The Proposed Transaction will be submitted to the stockholders of Easterly for their approval. In connection with the Proposed Transaction, Sirius Group has filed with the SEC a Registration Statement on Form S-4 that included a proxy statement of Easterly and a prospectus of Sirius Group. This communication is not a substitute for the Registration Statement on Form S-4 or any other documents that Sirius Group or Easterly may file with the SEC or that Easterly may send to its stockholders in connection with the Proposed Transaction. After the Registration Statement on Form S-4 is declared effective, Easterly will mail a definitive proxy statement/prospectus to its stockholders in connection with Easterly’s solicitation of proxies for the special meeting of Easterly stockholders to be held to approve the business combination and related transactions. This communication does not contain all the information that should be considered concerning the Proposed Transaction, including relevant risk factors included in the preliminary proxy statement/prospectus. It is not intended to provide the basis for any investment decision or any other decision in respect to the Proposed Transaction. Easterly stockholders and other interested persons are advised to read the preliminary proxy statement/prospectus, the amendments thereto, and the definitive proxy statement/prospectus (including any documents incorporated by reference therein), as these materials will contain important information about Sirius Group, Easterly and the Proposed Transaction. Investors and stockholders can obtain free copies of the preliminary proxy statement/prospectus and other documents filed with the SEC by Sirius Group and Easterly through the web site maintained by the SEC at www.sec.gov. In addition, investors and stockholders can obtain free copies of the proxy statement/prospectus once it is available from Sirius Group and Easterly by accessing Sirius Group’s website at www.siriusgroup.com and Easterly’s website at www.easterlyacquisition.com. CERTAIN INFORMATION This presentation includes information based on independent industry publications and other sources. Although we believe that the data presented is reliable, we have not independently verified such information. 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 or other matters contained herein. None of Easterly, Sirius Group, nor any of their respective affiliates, directors, officers, management, employees, representatives and advisors makes any representation or warranty, express or implied, as to the accuracy or completeness of any of the information contained herein, or any other information (whether communicated in written or oral form) transmitted or made available to you. PARTICIPANTS IN SOLICITATION Easterly and Sirius Group, and their respective directors and executive officers, may be deemed participants in the solicitation of proxies of Easterly stockholders in respect of the Proposed Transaction. Information about the directors and executive officers of Easterly and Sirius Group and more detailed information regarding the identity of all potential participants, and their direct and indirect interests, by security holdings or otherwise, is set forth in the proxy statement / prospectus that forms a part of Sirius Group’s Registration Statement on Form S-4. Investors may obtain additional information about the interests of such participants by reading such proxy statement/prospectus. FORWARD-LOOKING STATEMENTS This communication contains “forward-looking statements,” including statements relating to the expected closing of the Proposed Transaction and business prospectus of the combined company following the Proposed Transaction. Forward-looking statements are typically identified by words such as “plan,” “believe,” “expect,” “anticipate,” “intend,” “outlook,” “estimate,” “forecast,” “project,” “continue,” “could,” “may,” “might,” “possible,” “potential,” “predict,” “should,” “would”“ and other similar words and expressions, but the absence of these words does not mean that a statement is not forward-looking. The forward-looking statements are based on the current expectations of the management of Sirius Group and Easterly, as applicable, and are inherently subject to uncertainties and changes in circumstance and their potential effects and speak only as of the date of such statement. There can be no assurance that future developments will be those that have been anticipated. These forward-looking statements involve a number of risks, uncertainties or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. For Sirius Group, these risks and uncertainties include, but are not limited to, Sirius Group’s exposure to unpredictable catastrophic and casualty events and unexpected accumulations of attritional losses; increased competition from existing insurers and reinsurers and from alternative capital providers, such as insurance-linked funds and collateralized special purpose insurers; decreased demand for Sirius Group’s insurance or reinsurance products; consolidation and cyclical changes in the insurance and reinsurance industry; the inherent uncertainty of estimating loss and loss adjustment expenses reserves, including asbestos and environmental reserves, and the possibility that such reserves may be inadequate to cover Sirius Group’s ultimate liability for losses; a decline in Sirius Group’s operating subsidiaries’ ratings with rating agencies; the limited liquidity and trading of Sirius Group’s securities following the Proposed Transaction; the ability to recognize the anticipated benefits of the Proposed Transaction; and costs related to the Proposed Transaction and Sirius Group’s status as a publicly traded company. For Easterly, these risks and uncertainties include, but are not limited to, the successful combination of Easterly with Sirius Group’s business; amount of redemptions; the ability to retain key personnel; and the ability to achieve stockholder and regulatory approvals and to successfully close the transaction. Should one or more of these risks or uncertainties materialize, or should any of the assumptions made by the management of Sirius Group and Easterly prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. Additional information on these and other factors that may cause actual results and performance to differ materially is included in Easterly’s periodic reports filed with the SEC, including but not limited to Easterly’s Form 10-K for the year ended December 31, 2017 and subsequent Forms 10-Q, and in Sirius Group’s Registration Statement on Form S-4 filed with the SEC. Copies may be obtained by contacting Easterly or Sirius Group, as appropriate, or by visiting www.sec.gov. Except to the extent required by applicable law or regulation, Sirius Group and Easterly undertake no obligation to update these forward-looking statements to reflect events or circumstances after the date of this communication or to reflect the occurrence of unanticipated events. PROJECTIONS Any estimates, forecasts or projections set forth in this presentation have been prepared by Sirius Group and/or Easterly management in good faith on a basis believed to be reasonable. Such estimates, forecasts and projections involve significant elements of subjective judgment and analysis as well as risks (many of which are beyond our control). As such, no representation can be made as to the attainability of our forecasts and projections. Investors are cautioned that such estimates, forecasts or projections have not been audited and have not been prepared in conformance with generally accepted accounting principles. For a listing of risks and other factors that could impact our ability to attain our projected results, please see “Forward-Looking Statements” above. Please refer to slides 50 and 51 for key assumptions underlying projections. USE OF NON-GAAP FINANCIAL MEASURES This communication includes non-GAAP financial measures. Definitions of these non-GAAP financial measures and reconciliations of these non-GAAP financial measures to the most directly comparable GAAP financial measures are included elsewhere in this communication. 2