| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chylak Robert Nestor | Senior Vice President | 1005 VIRGINIA DRIVE, FORT WASHINGTON | Zi Yao Lim, Attorney-in-Fact for Robert Nestor Chylak | 15 Oct 2025 | 0001887782 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KLIC | Common Stock | Award | $0 | +7.98K | +39.46% | $0.00 | 28.2K | 13 Oct 2025 | Direct | F1 |
| transaction | KLIC | Common Stock | Options Exercise | $0 | +4.37K | +15.48% | $0.00 | 32.6K | 14 Oct 2025 | Direct | F2 |
| transaction | KLIC | Common Stock | Tax liability | -$27K | -675 | -2.07% | $40.05 | 31.9K | 14 Oct 2025 | Direct | F3 |
| transaction | KLIC | Common Stock | Tax liability | -$49.9K | -1.25K | -3.9% | $40.05 | 30.7K | 14 Oct 2025 | Direct | F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KLIC | Performance Share Units | Options Exercise | $0 | -4.37K | -100% | $0.00 | 0 | 14 Oct 2025 | Common Stock | 4.37K | Direct | F2 |
| Id | Content |
|---|---|
| F1 | One-third of the shares granted vest on each anniversary of the date of grant. |
| F2 | Performance Share Units (PSUs) awarded October 14, 2022, achieved a 82% payout based on total shareholder return (TSR) relative to a peer group. The peer group consisted of the companies of the GICS 45301020 (Semiconductors) not including companies traded on the Pink Sheets LLC Exchange as of the beginning of the Performance Period with the relative TSR measured over a three-year period. The pay-out was certified, and shares issued on October 14, 2025. Each PSU is convertible to one share of common stock. |
| F3 | Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of 2,368 restricted stock units (RSUs) on October 14, 2025. This RSU vesting is in connection to an RSU award granted on October 14, 2022 of 7,104 shares. These shares that were withheld were not issued to or sold by the Reporting Person. |
| F4 | Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with issuance of 4,368 shares of common stock arising from payout under Performance Share Units (PSUs) awarded on October 14, 2022. The payment was certified, and the shares were issued on October 14, 2025, each PSU convertible into one share of common stock. These shares that were withheld were not issued to or sold by the Reporting Person. |