GFS · GLOBALFOUNDRIES Inc.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

This transaction was the result of the automatic reinvestment of dividends received on shares of issuer common stock pursuant to a broker-sponsored dividend reinvestment plan.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sales and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sales and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sales and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

The number of securities reported in this row represents an aggregate number of shares sold on the open market. The price reported represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $75.60 to $75.66 per share, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

Reflects restricted share units (RSUs) awarded May 1, 2026 to the Reporting Person. Such RSUs vest on December 31, 2027, subject to the Reporting Person's continued service with the Issuer through the vesting date. Each RSU represents a contingent right to receive one share of the Issuer's ordinary shares upon settlement.

Represents RSUs, 42,057 of which vest on February 27, 2027, and 146,199 of which vest on December 31, 2027, subject to the Reporting Person's continuous service through each such vesting date. Each RSU represents a contingent right to receive one share of the Issuer's ordinary shares upon settlement.

Represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of RSUs.

Reflects the vesting and settlement of restricted stock units (RSUs) into 5,315 ordinary shares on May 1, 2026.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

Represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of RSUs.

Reflects the vesting and settlement of restricted stock units (RSUs) into 5,971 ordinary shares on April 29, 2026.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

Represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of RSUs.

Reflects the vesting and settlement of restricted stock units (RSUs) into 4,094 ordinary shares on April 1, 2026.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale and gift of shares are a permissible exemption under the terms of the lock-up agreement. The sale and gift reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.