PTEN · Patterson Uti Energy Inc · Insider Trading

The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 18, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $11.82 to $11.99, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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 ranging from $12.85 to $12.86, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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 ranging from $12.90 to $12.96, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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 ranging from $12.75 to $12.76, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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 ranging from $11.50 to $11.60, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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.

Held by JCS Partners LP, a limited partnership over which the reporting person exercises ownership and control.

Shares disposed to pay applicable withholding taxes on restricted stock units converted into Common Stock on June 9, 2026.

Restricted stock units that convert into shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), on a one-for-one basis. One-third of the restricted stock units vests on each of June 9, 2027, June 9, 2028 and June 9, 2029.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $11.57 to $11.73, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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 ranging from $11.40 to $11.52, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 9, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 9, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 9, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 9, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 9, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 5, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 5, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 5, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 5, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 5, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $12.00 to $12.10, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

No shares were actually issued, disposed or sold. Under applicable SEC guidance, cash settlement of restricted stock units is deemed to involve the conversion of the cash-settled restricted stock units into the underlying common stock and the simultaneous disposition of the common stock to the Company for cash. Accordingly, Table 1 uses Transaction Code D to report the cash-settled restricted stock unit settlement.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

No shares were actually issued, disposed or sold. Under applicable SEC guidance, cash settlement of restricted stock units is deemed to involve the conversion of the cash-settled restricted stock units into the underlying common stock and the simultaneous disposition of the common stock to the Company for cash. Accordingly, Table 1 uses Transaction Code D to report the cash-settled restricted stock unit settlement.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $11.78 to $11.94, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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 ranging from $12.00 to $12.18, inclusive. The Reporting Person undertakes to provide to Patterson-UTI Energy, Inc., any security holder of Patterson-UTI Energy, Inc. 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.

No shares were actually issued, disposed or sold. Under applicable SEC guidance, cash settlement of restricted stock units is deemed to involve the conversion of the cash-settled restricted stock units into the underlying common stock and the simultaneous disposition of the common stock to the Company for cash. Accordingly, Table 1 uses Transaction Code D to report the cash-settled restricted stock unit settlement.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 1, 2026.

No shares were actually issued, disposed or sold. Under applicable SEC guidance, cash settlement of restricted stock units is deemed to involve the conversion of the cash-settled restricted stock units into the underlying common stock and the simultaneous disposition of the common stock to the Company for cash. Accordingly, Table 1 uses Transaction Code D to report the cash-settled restricted stock unit settlement.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

No shares were actually issued, disposed or sold. Under applicable SEC guidance, cash settlement of restricted stock units is deemed to involve the conversion of the cash-settled restricted stock units into the underlying common stock and the simultaneous disposition of the common stock to the Company for cash. Accordingly, Table 1 uses Transaction Code D to report the cash-settled restricted stock unit settlement.

Shares disposed to pay applicable withholding taxes on Restricted Stock Units converted into Common Stock on May 1, 2026.

Reflects the settlement of cash-settled restricted stock units that vested on May 1, 2026.

Each cash-settled restricted stock unit represents a contingent right to receive cash in an amount equal to the value of one share of Common Stock on the applicable vesting date. One-third of the cash-settled restricted stock units vests on each of April 30, 2027, April 30, 2028 and April 30, 2029.

Restricted stock units that convert into shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), on a one-for-one basis. One-third of the restricted stock units vests on each of April 30, 2027, April 30, 2028 and April 30, 2029.

Restricted stock units that convert into shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), on a one-for-one basis. One-third of the restricted stock units vests on each of April 30, 2027, April 30, 2028 and April 30, 2029.

Each cash-settled restricted stock unit represents a contingent right to receive cash in an amount equal to the value of one share of Common Stock on the applicable vesting date. One-third of the cash-settled restricted stock units vests on each of April 30, 2027, April 30, 2028 and April 30, 2029.

Restricted stock units that convert into shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), on a one-for-one basis. One-third of the restricted stock units vests on each of April 30, 2027, April 30, 2028 and April 30, 2029.