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tion and liability; the risk that Tivity Health and Nutrisystem will be unable to retain or hire key personnel; the ability to successfully integrate Nutrisystem’s business with Tivity Health following the closing; the risk that the significant indebtedness incurred to fund the purchaseprice may limit Tivity Health’s ability to adapt to changes in the economy or market conditions, expose the company to interest rate risk for the variable rate indebtedness and require a substantial portion of cash flows from operations to be dedicated to the payment of indebtedness; and the risk that disruption from the proposed transaction may adversely affect Tivity Health’s and Nutrisystem’s business and their respective relationships with customers, vendors or employees. For additional information about factors that could cause actual results to differ materially from those described in the forward-looking statements, please refer to both Tivity Health’s and Nutrisystem’s filings with the Securities and Exchange Commission (“SEC”). Except as required by law, neither Tivity Health nor Nutrisystem undertakes any obligation to update forward-looking statements made by it to reflect new information, subsequent events or circumstances. Important Additional Information and Where to Find It In connection with the proposed transaction, Tivity Health expects to file with the SEC a registration statement of Tivity Health on FormS-4 (the “registration statement”) that will include a proxy statement of Nutrisystem and that will also constitute a prospectus of Tivity Health (the “proxy statement/prospectus”). Nutrisystem expects to mail the proxy statement/prospectus to its stockholders in connection with the proposed transaction. INVESTORS AND SECURITY HOLDERS ARE URGED TO CAREFULLY READ THE ENTIRE REGISTRATION STATEMENT, PROXY STATEMENT/ PROSPECTUS AND OTHER RELEVANT INFORMATION FILED WITH THE SEC WHEN THEY BECOME AVAILABLE, BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT TIVITY HEALTH, NUTRISYSTEM AND THE PROPOSED TRANSACTION. The registration statement and other documents filed by Tivity Health with the SEC may be obtained free of charge at Tivity Health’s website at http://www.tivityhealth.com or at the SEC’s website at http://www.sec.gov. These documents may also be obtained free of charge from Tivity Health by requesting them by mail at Tivity Health, Inc., 701 Cool Springs Boulevard, Franklin, Tennessee 37067, Attention: Investor Relations, or by telephone at (615)614-4576. The proxy statement/prospectus and other documents filed by Nutrisystem with the SEC may be obtained free of charge at Nutrisystem’s website at http://www.nutrisystem.com or at the SEC’s website at http://www.sec.gov. These documents may also be obtained free of charge from Nutrisystem by requesting them by mail at Nutrisystem, Inc., 600 Office Center Drive, Fort Washington, PA 19034, Attention: Investor Relations, or by telephone at (215)346-8136. Participants in Solicitation Tivity Health and Nutrisystem and their respective directors and executive officers and other members of management and employees may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information about Tivity Health’s directors and executive officers is available in Tivity Health’s proxy statement for Tivity Health’s 2018 annual meeting of stockholders filed with the SEC on April 13, 2018 on Schedule 14A. Information about Nutrisystem’s directors and executive officers is available in Nutrisystem’s proxy statement for Nutrisystem’s 2018 annual meeting of stockholders filed with the SEC on March 26, 2018 on Schedule 14A. Other information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the transaction when they become available. Investors should read the proxy statement/prospectus carefully when it becomes available before making any voting or investment decisions. You may obtain free copies of these documents from Tivity Health or Nutrisystem as indicated above. No Offer or Solicitation This communication shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. 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. Appendix A: Reconciliation of Adjusted EBITDA,Non-GAAP Basis to Net Income, GAAP Basis (in 000s) Twelve Months Ended September 30, 2018 Pro Forma Tivity Health(1) Nutrisystem(2) Combined Net income, GAAP basis 78,759 55,859 134,618 Adjustments: Depreciation and amortization 4,392 15,292 19,684 Restructuring expense(3) 2,554 — 2,554 Interest expense (income) 11,394 (557) 10,837 Income tax expense 38,075 17,758 55,833 (Income) from discontinued operations (761) — (761) Adjusted EBITDA,non-GAAP basis(4) (5) 134,413 88,352 222,765 (1) GAAP measures are derived from Tivity Health’s Quarterly Report on Form10-Q for the nine months ended September 30, 2018, Annual Report on Form10-K for the fiscal year ended December 31, 2017, and Quarterly Report on Form10-Q for the nine months ended September 30, 2017. (2) GAAP measures are derived from Nutrisystem’s Quarterly Report on Form10-Q for the nine months ended September 30, 2018, Annual Report on Form10-K for the fiscal year ended December 31, 2017, and Quarterly Report on Form10-Q for the nine months ended September 30, 2017. (3) Tivity Health added back Restructuring expense with respect to the fourth quarter of 2017 due to aone-time restructuring event. Restructuring expense in other quarters during the twelve month period ended September 30, 2018 is considered a part of normal operation of the business, and has not been added back. (4) Adjusted EBITDA includes stock-based compensation expense for the twelve month period ended September 30, 2018 of $6,552 for Tivity Health and $10,779 for Nutrisystem. 701 Cool Springs Blvd. | Franklin, TN 37067 | 800.327.3822 | tivityhealth.com