GEVO insider transactions

Director Mize Gary W. was granted 70,000 shares, increasing direct ownership by 25% to 351,226 units (SEC Form 4)

Director Marsh Andrew was granted 70,000 shares, increasing direct ownership by 26% to 343,669 units (SEC Form 4)

Director Guillen Jaime was granted 70,000 shares, increasing direct ownership by 36% to 264,046 units (SEC Form 4)

Director Ellet Mary Kathryn was granted 70,000 shares, increasing direct ownership by 111% to 132,821 units (SEC Form 4)

SEC Form 4 filed by Director Baum William H

Director Barber James J was granted 70,000 shares (SEC Form 4)

Director Gruber Patrick R. was granted 70,000 shares and sold $328,148 worth of shares (186,469 units at $1.76) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 3,728,993 units (SEC Form 4) (tax withholding)

Chief Mktg Cust & Brnd Officer Shafer Andrew sold $57,487 worth of shares (32,667 units at $1.76) as part of a pre-agreed trading plan, decreasing direct ownership by 9% to 321,051 units (SEC Form 4) to cover taxes

Chief of Staff Bowron Kimberly T sold $44,173 worth of shares (25,101 units at $1.76) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 711,765 units (SEC Form 4) to cover withholding tax

CFO Agiri Oluwagbemileke Yusuf sold $56,652 worth of shares (31,958 units at $1.77) as part of a pre-agreed trading plan, decreasing direct ownership by 5% to 554,144 units (SEC Form 4)

President & COO Ryan Christopher Michael sold $154,334 worth of shares (87,700 units at $1.76) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 1,314,441 units (SEC Form 4) to satisfy withholding tax

CEO Bloom Paul D sold $133,278 worth of shares (75,735 units at $1.76) as part of a pre-agreed trading plan, decreasing direct ownership by 5% to 1,518,588 units (SEC Form 4) to cover withholding tax

Chief Commercial Officer James Kyle Dean was granted 133,232 shares, increasing direct ownership by 100% to 266,448 units (SEC Form 4)

General Counsel Kettner David Michael was granted 133,232 shares, increasing direct ownership by 102% to 264,288 units (SEC Form 4)

VP Acctg and Treasurer Gendenjamts Davaajargal was granted 52,941 shares, increasing direct ownership by 88% to 113,158 units (SEC Form 4)

Chief Advocacy Officer Fitzgerald Lindsay Clinton was granted 59,451 shares, increasing direct ownership by 28% to 271,650 units (SEC Form 4)

Chief Mktg Cust & Brnd Officer Shafer Andrew was granted 82,895 shares, increasing direct ownership by 31% to 353,718 units (SEC Form 4)

Chief of Staff Bowron Kimberly T was granted 255,640 shares, increasing direct ownership by 53% to 736,866 units (SEC Form 4)

CFO Agiri Oluwagbemileke Yusuf was granted 304,878 shares, increasing direct ownership by 108% to 586,102 units (SEC Form 4)

CEO Bloom Paul D was granted 670,732 shares, increasing direct ownership by 73% to 1,594,323 units (SEC Form 4)

Amendment: Chief Commercial Officer James Kyle Dean was granted 158,334 shares and covered exercise/tax liability with 25,118 shares (SEC Form 4) to cover taxes

Amendment: General Counsel Kettner David Michael was granted 158,334 shares and covered exercise/tax liability with 27,278 shares (SEC Form 4) to cover withholding tax

Chief Cust Mkt & Brnd Officer Shafer Andrew exercised 5,550 shares at a strike of $0.71 and sold $11,103 worth of shares (5,550 units at $2.00) as part of a pre-agreed trading plan (SEC Form 4)

General Counsel Kettner David Michael was granted 158,334 shares and covered exercise/tax liability with 25,118 shares (SEC Form 4) (for withholding tax)

Chief Commercial Officer James Kyle Dean was granted 158,334 shares and covered exercise/tax liability with 27,278 shares (SEC Form 4) to satisfy withholding tax

SEC Form 3 filed by new insider Kettner David Michael

SEC Form 3 filed by new insider James Kyle Dean

SEC Form 4 filed by Shafer Andrew

SEC Form 4 filed by Ryan Christopher Michael

Director Mize Gary W. sold $250,078 worth of shares (107,100 units at $2.33), decreasing direct ownership by 28% to 281,226 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew exercised 5,550 shares at a strike of $0.71 and sold $12,245 worth of shares (5,550 units at $2.21) (SEC Form 4)

Chief Public Affairs Officer Fitzgerald Lindsay Clinton sold $50,124 worth of shares (20,000 units at $2.51), decreasing direct ownership by 9% to 212,199 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $9,940 worth of shares (5,000 units at $1.99), decreasing direct ownership by 2% to 270,823 units (SEC Form 4)

CFO Agiri Oluwagbemileke Yusuf was granted 10,000 shares, increasing direct ownership by 4% to 281,224 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $10,974 worth of shares (5,000 units at $2.19), decreasing direct ownership by 2% to 275,823 units (SEC Form 4)

CFO Agiri Oluwagbemileke Yusuf exercised 68,404 shares at a strike of $1.18 and sold $169,183 worth of shares (73,284 units at $2.31), decreasing direct ownership by 2% to 271,224 units (SEC Form 4)

VP Acctg and Treasurer Gendenjamts Davaajargal sold $5,943 worth of shares (2,560 units at $2.32), decreasing direct ownership by 4% to 60,217 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $9,936 worth of shares (5,000 units at $1.99), decreasing direct ownership by 2% to 280,823 units (SEC Form 4)

Director Battershell Carol Jane exercised 224,639 shares at a strike of $0.67 and sold $152,782 worth of shares (75,597 units at $2.02), increasing direct ownership by 115% to 278,265 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $67,970 worth of shares (29,797 units at $2.28), decreasing direct ownership by 9% to 285,823 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $12,650 worth of shares (5,000 units at $2.53), decreasing direct ownership by 2% to 315,620 units (SEC Form 4)

President & COO Ryan Christopher Michael sold $281,870 worth of shares (100,000 units at $2.82), decreasing direct ownership by 6% to 1,531,938 units (SEC Form 4)

Director Amorelli Angelo exercised 100,000 shares at a strike of $0.67 and sold $250,270 worth of shares (100,000 units at $2.50) (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $10,062 worth of shares (5,000 units at $2.01), decreasing direct ownership by 2% to 320,620 units (SEC Form 4)

Chief Business Officer Bloom Paul D sold $150,435 worth of shares (75,000 units at $2.01), decreasing direct ownership by 8% to 923,591 units (SEC Form 4)

Chief People and IT Officer Bowron Kimberly T sold $2,493 worth of shares (1,530 units at $1.63), decreasing direct ownership by 0.32% to 481,226 units (SEC Form 4)

CFO Agiri Oluwagbemileke Yusuf sold $2,821 worth of shares (1,731 units at $1.63), decreasing direct ownership by 0.62% to 276,104 units (SEC Form 4)

Chief Business Officer Bloom Paul D sold $3,410 worth of shares (2,092 units at $1.63), decreasing direct ownership by 0.21% to 998,591 units (SEC Form 4)

President & COO Ryan Christopher Michael sold $2,742 worth of shares (1,683 units at $1.63), decreasing direct ownership by 0.10% to 1,631,938 units (SEC Form 4)

Chief Executive Officer Gruber Patrick R. sold $2,676 worth of shares (1,642 units at $1.63), decreasing direct ownership by 0.04% to 3,845,462 units (SEC Form 4)

CFO Agiri Oluwagbemileke Yusuf sold $93,942 worth of shares (57,651 units at $1.63), decreasing direct ownership by 17% to 277,835 units (SEC Form 4)

Chief Cust Mkt & Brnd Officer Shafer Andrew sold $7,916 worth of shares (5,000 units at $1.58), decreasing direct ownership by 2% to 325,620 units (SEC Form 4)

Director Mize Gary W. exercised 224,639 shares at a strike of $0.67 and sold $153,258 worth of shares (91,459 units at $1.68), increasing direct ownership by 52% to 388,326 units (SEC Form 4)

Director Amorelli Angelo exercised 100,000 shares at a strike of $0.67 and sold $390,531 worth of shares (200,000 units at $1.95), decreasing direct ownership by 97% to 2,942 units (SEC Form 4)

CFO Agiri Oluwagbemileke Yusuf sold $7,061 worth of shares (5,738 units at $1.23), decreasing direct ownership by 2% to 335,486 units (SEC Form 4)

Chief Advocacy & Comms Officer Fitzgerald Lindsay Clinton sold $9,990 worth of shares (8,118 units at $1.23), decreasing direct ownership by 3% to 232,199 units (SEC Form 4)

Chief People and IT Officer Bowron Kimberly T sold $15,223 worth of shares (12,370 units at $1.23), decreasing direct ownership by 2% to 482,756 units (SEC Form 4)

EVP Smull L Lynn sold $45,053 worth of shares (36,611 units at $1.23), decreasing direct ownership by 3% to 1,102,131 units (SEC Form 4)

Chief Business Officer Bloom Paul D sold $51,598 worth of shares (42,073 units at $1.23), decreasing direct ownership by 4% to 1,000,683 units (SEC Form 4)

President & COO Ryan Christopher Michael sold $52,299 worth of shares (42,499 units at $1.23), decreasing direct ownership by 3% to 1,633,621 units (SEC Form 4)