X0306 4 2018-09-28 0 0001441683 APPIAN CORP APPN 0001707252 Novak Biddle Co V, LLC 7501 WISCONSIN AVENUE, EAST TOWER SUITE 1380 BETHESDA MD 20814 0 0 1 0 0001385804 Novak Biddle Venture Partners V L P 7501 WISCONSIN AVENUE, EAST TOWER SUITE 1380 BETHESDA MD 20814 0 0 1 0 0001292028 Novak E Rogers JR 7501 WISCONSIN AVENUE, EAST TOWER SUITE 1380 BETHESDA MD 20814 0 0 1 0 Class A Common Stock 2018-09-28 4 C 0 42054 A 42054 I See Footnote Class A Common Stock 2018-09-28 4 J 0 42054 0.00 D 0 I See Footnote Class A Common Stock 2018-09-28 4 C 0 2668834 A 2668834 I See Footnote Class A Common Stock 2018-09-28 4 J 0 2668834 0.00 D 0 I See Footnote Class A Common Stock 2018-09-28 4 J 0 891 0.00 A 1938 I See Footnote Class A Common Stock 2018-09-28 4 J 0 297 0.00 A 646 I See Footnote Class B Common Stock 2018-09-28 4 C 0 42054 0.00 D Class A Common Stock 42054 658852 I See Footnote Class B Common Stock 2018-09-28 4 J 0 296133 0.00 D Class A Common Stock 296133 362719 I See Footnote Class B Common Stock 2018-09-28 4 J 0 111052 0.00 A Class A Common Stock 111052 267325 I See Footnote Class B Common Stock 2018-09-28 4 J 0 37015 0.00 A Class A Common Stock 37015 89102 I See Footnote Class B Common Stock 2018-09-28 4 C 0 2668834 0.00 D Class A Common Stock 2668834 1383232 I See Footnote Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3)) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. The reported securities are owned directly by Novak Biddle Company V, LLC ("NBCV"). A.G.W. Biddle III and E. Rogers Novak, Jr. (collectively, the "Managing Members") are the managing members of NBCV. The Managing Members disclaim beneficial ownership of all the shares owned by NBCV and this report shall not be deemed an admission that they are the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interests therein. Represents a pro rata distribution without additional consideration by NBCV to its partners. The reported securities are owned directly by Novak Biddle Venture Partners V, L.P. ("NBVPV"). NBCV is the general partner of NBVPV and the " Members are the managing members of NBCV. Each of NBCV and the Managing Members disclaim beneficial ownership of all the shares owned by NBVPV and this report shall not be deemed an admission that either is the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interests therein. Represents a pro rata distribution without additional consideration by NBVPV to its limited partners. The reported securities are owned directly by Novak Holdings, LLC ("NH"). Mr. Novak is the sole general member of NH. The reported securities are owned directly by Wells Fargo Bank NA FBO E.R. Novak Jr MGD IRA. Mr. Novak has sole voting and dispositive power of these shares. /s/ Christopher Winters, Attorney-in-Fact 2018-10-02 /s/ Christopher Winters, Attorney-in-Fact 2018-10-02 /s/ Christopher Winters, Attorney-in-Fact 2018-10-02