POWER OF ATTORNEY Know all by these presents, that the undersigned hereby constitutes and appoints each of W. Ming Shao, Phong Le, and Joseph Phillips, signing singly, the undersigned's true and lawful attorney-in-fact to: (1) execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of MicroStrategy Incorporated (the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder; (2) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5 and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and (3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, and in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion. The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with, or the undersigned's liability under, Section 16 of the Securities Exchange Act of 1934. This Power of Attorney supersedes any and all previous Powers of Attorney relating to Form 3, 4, and 5 filings in the undersigned's capacity as an officer and/or director of the Company, and shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of the date written below. Signature: /s/ Timothy Lang Print Name: Timothy Lang Print Date: February 22, 2022
Exhibit A: Mr. Lang also directly owns an employee stock option to purchase 10,000 shares of Class A common stock with (i) an exercise price of $189.16 per share and (ii) an expiration date of March 8, 2027. Of the 10,000 shares subject to this option, 2,500 shares vested on March 8, 2020 and 7,500 shares vested on March 8, 2021. Mr. Lang also directly owns an employee stock option to purchase 10,000 shares of Class A common stock with (i) an exercise price of $131.53 per share and (ii) an expiration date of February 8, 2028. The 10,000 shares vested on February 8, 2022. Mr. Lang also directly owns an employee stock option to purchase 15,000 shares of Class A common stock with (i) an exercise price of $151.60 per share and (ii) an expiration date of November 22, 2029. Of the 15,000 shares subject to this option, 5,000 shares vested on November 22, 2021, 5,000 shares are scheduled to vest on November 22, 2022, and 5,000 shares are scheduled to vest on November 22, 2023. Mr. Lang also directly owns an employee stock option to purchase 20,000 shares of Class A common stock with (i) an exercise price of $691.23 per share and (ii) an expiration date of February 23, 2031. Of the 20,000 shares subject to this option, 5,000 shares are scheduled to vest on February 23, 2022, 5,000 shares are scheduled to vest on February 23, 2023, 5,000 shares are scheduled to vest on February 23, 2024, and 5,000 shares are scheduled to vest on February 23, 2025. Mr. Lang also directly owns restricted stock units with the contingent right to receive 750 shares of Class A common stock. Of these 750 shares, 250 shares are scheduled to vest on November 13, 2022, 250 shares are scheduled to vest on November 13, 2023, and 250 shares are scheduled to vest on November 13, 2024.