RGTI · Rigetti Computing, Inc.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 12, 2025, and modified on March 9, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.405 to $21.00, 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.

Fully vested and exercisable.

The price reported in Column 4 is a weighted average price. These warrants were sold in multiple transactions at prices ranging from $10.80 to $11.00, 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.

Fully vested and exercisable.

Represents an annual grant of restricted stock units ("RSUs") for service as a director of the Issuer. The shares underlying the RSUs will vest in full on the earlier of (i) the date of the Issuer's 2027 annual meeting of the stockholders (or the date immediately prior to such annual meeting if the Reporting Person's service as a director ends at such annual meeting) or (ii) on June 9, 2027, each subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents an annual grant of restricted stock units ("RSUs") for service as a director of the Issuer. The shares underlying the RSUs will vest in full on the earlier of (i) the date of the Issuer's 2027 annual meeting of the stockholders (or the date immediately prior to such annual meeting if the Reporting Person's service as a director ends at such annual meeting) or (ii) on June 9, 2027, each subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents an annual grant of restricted stock units ("RSUs") for service as a director of the Issuer. The shares underlying the RSUs will vest in full on the earlier of (i) the date of the Issuer's 2027 annual meeting of the stockholders (or the date immediately prior to such annual meeting if the Reporting Person's service as a director ends at such annual meeting) or (ii) on June 9, 2027, each subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

Represents an annual grant of restricted stock units ("RSUs") for service as a director of the Issuer. The shares underlying the RSUs will vest in full on the earlier of (i) the date of the Issuer's 2027 annual meeting of the stockholders (or the date immediately prior to such annual meeting if the Reporting Person's service as a director ends at such annual meeting) or (ii) on June 9, 2027, each subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 12, 2025, and modified on March 9, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.725 to $21.82, 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.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 12, 2025, and modified on March 9, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.725 to $21.72, 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.

Fully vested and exercisable.

Fully vested and exercisable.

Represents shares sold by the Reporting Person in order to pay the exercise price of stock options and/or to cover certain taxes in connection with the exercise of stock options.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.08 to $24.73, 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.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.7549 to $25.62, 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.

The stock option is fully vested and exercisable.

The stock option is fully vested and exercisable.

The stock option is fully vested and exercisable.

The stock option is fully vested and exercisable.

One-thirty-sixth (1/36th) of this option vested and became exercisable on December 15, 2024, with the remainder vesting in equal monthly installments on the 15th day of each calendar month thereafter, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.

The stock option is fully vested and exercisable.

Represents shares sold by the Reporting Person in order to pay the exercise price of stock options and/or to cover certain taxes in connection with the exercise of stock options.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.20 to $26.69, 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.

One-thirty-sixth (1/36th) of this option vested and became exercisable on December 22, 2023, with the remainder vesting in equal monthly installments on the 22nd day of each calendar month thereafter, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of restricted stock units ("RSUs").

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.76 to $23.15, 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.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of restricted stock units ("RSUs").

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of RSUs.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of RSUs.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.76 to $23.15, 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.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025.

Fully vested and exercisable.

Represents an award of RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement. One-fourth (1/4th) of the total number of RSUs (rounded down) will vest February 20, 2027 and thereafter one-sixteenth (1/16th) of the total number of RSUs (rounded down, except for the final scheduled vesting installment) will vest on the 20th day of the middle month of each quarter thereafter (i.e., February 20, May 20, August 20 and November 20), subject to the Reporting Person's continuous service with the Issuer through each such vesting date.

One-thirty-sixth (1/36th) of these stock options vest and become exercisable on the 10th day of each calendar month commencing in April 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of RSUs.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.35 to $17.60, 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.

One-thirty-sixth (1/36th) of these stock options vest and become exercisable on the 10th day of each calendar month commencing in April 2026, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of restricted stock units ("RSUs").

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.35 to $17.60, 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.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.80 to $7.01, 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.

Fully vested and exercisable.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 13, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.02 to $22.62, 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.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025.

The price reported in Column 8 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.60 to $16.99, 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.

Fully vested and exercisable.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025.

The price reported in Column 8 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.60 to $16.59, 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.

Fully vested and exercisable.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.07 to $27.65, 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.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of RSUs.

The sales reported in this row represent nondiscretionary sales of shares required to be sold by the Reporting Person pursuant to sell to cover transactions to satisfy tax withholding obligations in connection with the settlement of RSUs.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.01 to $26.3528, 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.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.61 to $45.215, 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 ranges set forth in this footnote.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.74 to $25.205, 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 ranges set forth in this footnote.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2025.

Fully vested and exercisable.

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.685 to $17.61, 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 ranges set forth in footnotes (2) to (5) in this Form 4.