Tekla Capital Management LLC TEKLA FUNDS HQH HQL THQ THW TEKLA LIFE SCIENCES INVESTORS DECLARES DISTRIBUTION November 12, 2021 HQL BOSTON, MA, November 12, 2021– On November 12, 2021, Tekla Life Sciences Investors declared a distribution of $0.42 per share. The record date for the distribution is November 24, 2021 and the payable date is December 31, 2021. The Fund will trade ex-distribution on November 23, 2021. This distribution will automatically be paid in newly issued shares of the Fund unless otherwise instructed by the shareholder. The shares will be valued at the lower of the net asset value or market price on the pricing date, December 22, 2021. Fractional shares will generally be settled in cash, except for registered shareholders with book entry accounts at the transfer agent who will have whole and fractional shares added to their account. Shareholders may request to be paid in cash instead of shares by responding to the bank, brokerage or nominee who holds the shares if the shares are in “street name” or by filling out an election card received from Computershare Investor Services shortly after the record date if the shares are in registered form. The bank, brokerage or nominee who holds the shares must advise the Depository Trust Company ("DTC") as to their full and fractional share requirements by December 21, 2021. Written notification for the election of cash instead of stock by registered shareholders must be received by Computershare Investor Services prior to December 21, 2021. Tekla Life Sciences Investors (NYSE: HQL) is a closed-end fund that invests in public and private companies in the life sciences industry. Tekla Capital Management LLC, based in Boston, serves as Investment Adviser to the Fund. Shares of the Fund can be purchased on the New York Stock Exchange through any securities broker. For additional information, please consult www.teklacap.com or call 877-855-3434. PRESS RELEASES BY FUND HQH HQL THQ THW ARCHIVE 2021 (66) 2020 (71) 2019 (68) 2018 (68) 2017 (70) 2016 (64) 2015 (43) 2014 (5) © 2021 Tekla Capital Management LLC | All rights reserved | Legal Disclaimer The material contained on this website is not intended to be a recommendation or investment advice, does not constitute a solicitation to buy or sell securities, and is not provided in a fiduciary capacity. The information provided does not take into account the specific objectives or circumstances of any particular investor, or suggest any specific course of action. Investment decisions should be made based on an investor’s objectives and circumstances and in consultation with his or her advisors. There can be no assurance that any closed-end fund will achieve its investment objective(s). Past performance does not guarantee future results. The net asset value of any closed-end fund will fluctuate with the value of the underlying securities. Historically closed-end funds have often traded at a discount to their net asset value. The distribution rate and income amounts reflect past amounts distributed and may not be indicative of future rates or income amounts. Distribution rates and income amounts can change at any time. Investors should consider the investment objective and policies, risk considerations, charges and ongoing expenses of an investment carefully before investing. For more information, please contact your marketing and distribution agent, Destra Capital Advisors LLC at 877.855.3434. NOT FDIC-INSURED | NOT BANK-GUARANTEED | MAY LOSE VALUE