APPN

SEC source: 0001441683-20-000132 · wf-form4_160625192031638.xml · nonDerivative · entry 1

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,616

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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 (2))

F2 · price: (continued from Footnote (1)) (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.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 11

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 136,814

F11 · ownership.nature: The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 10

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 136,914

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.36 to $109.24, inclusive.

F11 · ownership.nature: The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 9

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 140,861

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.35 to $108.33, inclusive.

F11 · ownership.nature: The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 8

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 155,719

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.33 to $107.32, inclusive.

F11 · ownership.nature: The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 7

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 164,772

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.12 to $105.73, inclusive. The Reporting Person undertakes to provide to Appian Corporation, any security holder of Appian Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (10), (12), (13) and (14).

F11 · ownership.nature: The reported securities are owned directly by Jack Biddle, Inc. ("JBI"). The Reporting Person is the president of JBI.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 6

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 19,479

F9 · ownership.nature: The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust III"). The Reporting Person is the trustee of Trust III.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 5

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 19,479

F8 · ownership.nature: The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust II"). The Reporting Person is the trustee of Trust II.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 4

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 19,479

F7 · ownership.nature: The reported securities are owned directly by a family trust established for the benefit of the Reporting Person's child ("Trust I"). The Reporting Person is the trustee of Trust I.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 3

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F5 · kind: On November 17, 2020, Southgate Partner III ("SPIII") distributed all of its shares to the beneficiary of SPIII without consideration.

F6 · ownership.nature: The reported securities were owned directly by SPIII, a family trust established for the benefit of the Reporting Person's child. The Reporting Person is the trustee of SPIII.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 2

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F3 · kind: On November 17, 2020, Southgate Partner II ("SPII") distributed all of its shares to the beneficiary of SPII without consideration.

F4 · ownership.nature: The reported securities were owned directly by SPII, a family trust established for the benefit of the Reporting Person's child. The Reporting Person is the trustee of SPII.

SEC source: 0001441683-20-000128 · wf-form4_160581986609405.xml · nonDerivative · entry 1

Biddle Albert G.W. III · CIK 0001707248 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: On November 17, 2020, Southgate Partner I ("SPI") distributed all of its shares to the beneficiary of SPI without consideration.

F2 · ownership.nature: The reported securities were owned directly by SPI, a family trust established for the benefit of the Reporting Person's child. The Reporting Person is the trustee of SPI.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · derivative · entry 9

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 23,104 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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))

F3 · derivative.exercise_price: (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.

F2 · derivative.exercise_date: 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))

F3 · derivative.exercise_date: (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.

F2 · derivative.expiration_date: 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))

F3 · derivative.expiration_date: (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.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · derivative · entry 8

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,104

Underlying: Class A Common Stock · 23,104 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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))

F3 · derivative.exercise_price: (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.

F2 · derivative.exercise_date: 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))

F3 · derivative.exercise_date: (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.

F2 · derivative.expiration_date: 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))

F3 · derivative.expiration_date: (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.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · derivative · entry 7

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,896

Underlying: Class B Common Stock · 23,104 shares

Expires 2025-11-17

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · derivative.exercise_date: This option vests in five equal annual installments commencing on November 17, 2016 and on the next four anniversaries thereof, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · nonDerivative · entry 6

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,850

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.25 to $109.14, inclusive.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · nonDerivative · entry 5

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,685

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.25 to $108.23, inclusive.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · nonDerivative · entry 4

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,529

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.23 to $107.22, inclusive.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · nonDerivative · entry 3

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,431

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.23 to $106.21, inclusive.

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · nonDerivative · entry 2

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,354

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2020.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.23 to $104.75, inclusive. The Reporting Person undertakes to provide to Appian Corporation, any security holder of Appian Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (5) - (9).

SEC source: 0001441683-20-000127 · wf-form4_160581982334891.xml · nonDerivative · entry 1

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,954

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F2 · price: 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))

F3 · price: (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.

SEC source: 0001441683-20-000125 · wf-form4_160556268512129.xml · nonDerivative · entry 3

Boccassam Prashanth · CIK 0001706771 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,145

SEC source: 0001441683-20-000125 · wf-form4_160556268512129.xml · nonDerivative · entry 2

Boccassam Prashanth · CIK 0001706771 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,146

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.00 to $99.99, inclusive.

SEC source: 0001441683-20-000125 · wf-form4_160556268512129.xml · nonDerivative · entry 1

Boccassam Prashanth · CIK 0001706771 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,089

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.00 to $98.99, inclusive. The Reporting Person undertakes to provide to Appian Corporation, any security holder of Appian Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnotes (1) and (2).

SEC source: 0001441683-20-000126 · wf-form4_160556273867486.xml · nonDerivative · entry 1

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,674

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.01 to $98.98, inclusive. The Reporting Person undertakes to provide to Appian Corporation, any security holder of Appian Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2).

SEC source: 0001441683-20-000124 · wf-form4_160521661526264.xml · derivative · entry 3

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,739

Underlying: Class A Common Stock · 12,261 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F5 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

F5 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

SEC source: 0001441683-20-000124 · wf-form4_160521661526264.xml · nonDerivative · entry 2

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,850

F2 · kind: The sales reported in this Form 4 were effected solely to cover taxes, commissions and fees due upon vesting of RSUs.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.66 to $94.77, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3).

SEC source: 0001441683-20-000124 · wf-form4_160521661526264.xml · nonDerivative · entry 1

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,061

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

SEC source: 0001441683-20-000123 · wf-form4_160521656537374.xml · derivative · entry 6

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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))

F3 · derivative.exercise_price: (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.

F1 · kind: 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.

F2 · derivative.exercise_date: 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))

F3 · derivative.exercise_date: (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.

F2 · derivative.expiration_date: 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))

F3 · derivative.expiration_date: (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.

SEC source: 0001441683-20-000123 · wf-form4_160521656537374.xml · derivative · entry 5

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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))

F3 · derivative.exercise_price: (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.

F2 · derivative.exercise_date: 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))

F3 · derivative.exercise_date: (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.

F2 · derivative.expiration_date: 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))

F3 · derivative.expiration_date: (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.

SEC source: 0001441683-20-000123 · wf-form4_160521656537374.xml · derivative · entry 4

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 5,000 shares

Expires 2025-05-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: This option is fully vested.

SEC source: 0001441683-20-000123 · wf-form4_160521656537374.xml · nonDerivative · entry 3

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,653

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2020.

SEC source: 0001441683-20-000123 · wf-form4_160521656537374.xml · nonDerivative · entry 2

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,153

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2020.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.57 to $95.38, inclusive. The Reporting Person undertakes to provide to Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001441683-20-000123 · wf-form4_160521656537374.xml · nonDerivative · entry 1

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,653

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F2 · price: 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))

F3 · price: (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.

SEC source: 0001441683-21-000021 · wf-form4a_161549654397303.xml · derivative · entry 3

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,759

Underlying: Class A Common Stock · 12,241 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F1 · shares: Number of shares incorrectly reported.

F6 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

F6 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

F1 · derivative.underlying_shares: Number of shares incorrectly reported.

SEC source: 0001441683-21-000021 · wf-form4a_161549654397303.xml · nonDerivative · entry 2

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,841

F3 · kind: The sales reported in this Form 4 were effected solely to cover taxes, commissions and fees due upon vesting of RSUs.

F1 · shares: Number of shares incorrectly reported.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.66 to $94.77, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3).

SEC source: 0001441683-21-000021 · wf-form4a_161549654397303.xml · nonDerivative · entry 1

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,041

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Number of shares incorrectly reported.

F2 · price: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · derivative · entry 10

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 26,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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))

F3 · derivative.exercise_price: (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.

F1 · kind: 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.

F2 · derivative.exercise_date: 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))

F3 · derivative.exercise_date: (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.

F2 · derivative.expiration_date: 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))

F3 · derivative.expiration_date: (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.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · derivative · entry 9

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,000

Underlying: Class A Common Stock · 26,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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))

F3 · derivative.exercise_price: (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.

F2 · derivative.exercise_date: 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))

F3 · derivative.exercise_date: (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.

F2 · derivative.expiration_date: 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))

F3 · derivative.expiration_date: (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.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · derivative · entry 8

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Class B Common Stock · 26,000 shares

Expires 2026-07-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · derivative.exercise_date: This option vested in five equal annual installments commencing on July 20, 2017 and on each of the next four anniversaries thereof, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 7

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,411

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $96.36 to $96.37, inclusive.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 6

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,788

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.37 to $96.32 to $95.32, inclusive.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 5

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,573

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.35 to $95.32, inclusive.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 4

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,918

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.32 to $94.30, inclusive.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 3

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,012

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.06 to $92.75, inclusive.

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 2

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,301

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 15, 2019.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.02 to $92.00, inclusive. The Reporting Person undertakes to provide to Appian Corporation, any security holder of Appian Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (5) - (10).

SEC source: 0001441683-20-000122 · wf-form4_160521651564510.xml · nonDerivative · entry 1

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,811

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: 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.

F2 · price: 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))

F3 · price: (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.

SEC source: 0001441683-20-000121 · wf-form4_160504278425623.xml · derivative · entry 7

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Class A Common Stock · 10,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F8 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 5, 2018, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

F8 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 5, 2018, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

SEC source: 0001441683-20-000121 · wf-form4_160504278425623.xml · nonDerivative · entry 6

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,616

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2020.

SEC source: 0001441683-20-000121 · wf-form4_160504278425623.xml · nonDerivative · entry 5

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,651

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 8, 2020.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.79 to $82.10, inclusive.