**Exhibit 24**

 

# **POWER OF ATTORNEY**

 

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, orany of them, as the true and lawful agents and attorneys-in-fact of theundersigned (the “Attorneys-in-Fact”), each with full power to appoint asubstitute or substitutes to act hereunder, to execute and deliver for and onbehalf of the undersigned the Annual Report of Lone Star Technologies, Inc. onForm 10-K (including any amendments thereto) to be filed with the Securitiesand Exchange Commission pursuant to the Securities Exchange Act of 1934 for thefiscal year ended December 31, 2004. The undersigned hereby ratifies and confirms all that theAttorneys-in-Fact, or any substitute or substitutes, may do by virtue of thisPower of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ Frederick B.  Hegi, Jr. |   |
|--------|-----------------------------|--------|
|   | Frederick B.  Hegi, Jr.     |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFORE ME, Connie L. Monk,a Notary Public in and for the State of Texas, on this day did personallyappear Frederick B. Hegi, Jr. known to me to be the person whose name issubscribed to the foregoing Power of Attorney, and acknowledged to me that heexecuted such Power of Attorney for the purposes and consideration thereinexpressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

1

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# **POWER OF ATTORNEY**

# ** **

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, or anyof them, as the true and lawful agents and attorneys-in-fact of the undersigned(the “Attorneys-in-Fact”), each with full power to appoint a substitute orsubstitutes to act hereunder, to execute and deliver for and on behalf of theundersigned the Annual Report of Lone Star Technologies, Inc. on Form 10-K(including any amendments thereto) to be filed with the Securities and ExchangeCommission pursuant to the Securities Exchange Act of 1934 for the fiscal yearended December 31, 2004.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ Robert L.  Keiser |   |
|--------|-----------------------|--------|
|   | Robert L. Keiser      |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFOREME, Connie L. Monk, a Notary Public in and for the State of Texas, on this daydid personally appear Robert L. Keiser known to me to be the person whose nameis subscribed to the foregoing Power of Attorney, and acknowledged to me thathe executed such Power of Attorney for the purposes and consideration thereinexpressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

2

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# **POWER OF ATTORNEY**

# ** **

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, orany of them, as the true and lawful agents and attorneys-in-fact of theundersigned (the “Attorneys-in-Fact”), each with full power to appoint asubstitute or substitutes to act hereunder, to execute and deliver for and onbehalf of the undersigned the Annual Report of Lone Star Technologies, Inc. onForm 10-K (including any amendments thereto) to be filed with the Securitiesand Exchange Commission pursuant to the Securities Exchange Act of 1934 for thefiscal year ended December 31, 2004. The undersigned hereby ratifies and confirms all that theAttorneys-in-Fact, or any substitute or substitutes, may do by virtue of thisPower of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ Robert  Kelley |   |
|--------|--------------------|--------|
|   | Robert Kelley      |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFOREME, Connie L. Monk, a Notary Public in and for the State of Texas, on this daydid personally appear Robert Kelley known to me to be the person whose name issubscribed to the foregoing Power of Attorney, and acknowledged to me that heexecuted such Power of Attorney for the purposes and consideration thereinexpressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

3

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# **POWER OF ATTORNEY**

# ** **

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, orany of them, as the true and lawful agents and attorneys-in-fact of theundersigned (the “Attorneys-in-Fact”), each with full power to appoint asubstitute or substitutes to act hereunder, to execute and deliver for and onbehalf of the undersigned the Annual Report of Lone Star Technologies, Inc. onForm 10-K (including any amendments thereto) to be filed with the Securitiesand Exchange Commission pursuant to the Securities Exchange Act of 1934 for thefiscal year ended December 31, 2004. The undersigned hereby ratifies and confirms all that theAttorneys-in-Fact, or any substitute or substitutes, may do by virtue of thisPower of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ M. Joseph  McHugh |   |
|--------|-----------------------|--------|
|   | M. Joseph McHugh      |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFOREME, Connie L. Monk, a Notary Public in and for the State of Texas, on this daydid personally appear M. Joseph McHugh known to me to be the person whose nameis subscribed to the foregoing Power of Attorney, and acknowledged to me thathe executed such Power of Attorney for the purposes and consideration therein expressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

4

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# **POWER OF ATTORNEY**

# ** **

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, orany of them, as the true and lawful agents and attorneys-in-fact of theundersigned (the “Attorneys-in-Fact”), each with full power to appoint asubstitute or substitutes to act hereunder, to execute and deliver for and onbehalf of the undersigned the Annual Report of Lone Star Technologies, Inc. onForm 10-K (including any amendments thereto) to be filed with the Securitiesand Exchange Commission pursuant to the Securities Exchange Act of 1934 for thefiscal year ended December 31, 2004. The undersigned hereby ratifies and confirms all that theAttorneys-in-Fact, or any substitute or substitutes, may do by virtue of thisPower of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ Thomas M.  Mercer, Jr. |   |
|--------|----------------------------|--------|
|   | Thomas M.  Mercer, Jr.     |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFOREME, Connie L. Monk, a Notary Public in and for the State of Texas, on this daydid personally appear Thomas M. Mercer, Jr. known to me to be the person whosename is subscribed to the foregoing Power of Attorney, and acknowledged to methat he executed such Power of Attorney for the purposes and considerationtherein expressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

5

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# **POWER OF ATTORNEY**

# ** **

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, orany of them, as the true and lawful agents and attorneys-in-fact of theundersigned (the “Attorneys-in-Fact”), each with full power to appoint asubstitute or substitutes to act hereunder, to execute and deliver for and onbehalf of the undersigned the Annual Report of Lone Star Technologies, Inc. onForm 10-K (including any amendments thereto) to be filed with the Securitiesand Exchange Commission pursuant to the Securities Exchange Act of 1934 for thefiscal year ended December 31, 2004. The undersigned hereby ratifies and confirms all that the Attorneys-in-Fact,or any substitute or substitutes, may do by virtue of this Power of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ Alfred M.  Micallef |   |
|--------|-------------------------|--------|
|   | Alfred M. Micallef      |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFOREME, Connie L. Monk, a Notary Public in and for the State of Texas, on this daydid personally appear Alfred M. Micallef known to me to be the person whosename is subscribed to the foregoing Power of Attorney, and acknowledged to methat he executed such Power of Attorney for the purposes and considerationtherein expressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

6

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# **POWER OF ATTORNEY**

# ** **

KNOW ALL MEN BY THESEPRESENTS:

 

Thatthe undersigned hereby irrevocably constitutes and appoints **Rhys J. Best, Charles J. Keszler and Robert F. Spears**, orany of them, as the true and lawful agents and attorneys-in-fact of theundersigned (the “Attorneys-in-Fact”), each with full power to appoint asubstitute or substitutes to act hereunder, to execute and deliver for and onbehalf of the undersigned the Annual Report of Lone Star Technologies, Inc. onForm 10-K (including any amendments thereto) to be filed with the Securitiesand Exchange Commission pursuant to the Securities Exchange Act of 1934 for thefiscal year ended December 31, 2004. The undersigned hereby ratifies and confirms all that theAttorneys-in-Fact, or any substitute or substitutes, may do by virtue of thisPower of Attorney.

 

INWITNESS WHEREOF, the undersigned has executed this Power of Attorney at Dallas,Texas on this 1st day of March, 2005.

 

 
|   | /s/ Jerry E.  Ryan |   |
|--------|--------------------|--------|
|   | Jerry E. Ryan      |

 

 
| STATE OF TEXAS   |   | § |
|------------------|--------|--------|
|             |   | § |
| COUNTY OF DALLAS |   | § |

 

BEFOREME, Connie L. Monk, a Notary Public in and for the State of Texas, on this daydid personally appear Jerry E. Ryan known to me to be the person whose name issubscribed to the foregoing Power of Attorney, and acknowledged to me that heexecuted such Power of Attorney for the purposes and consideration thereinexpressed.

 

GIVENUNDER MY HAND AND SEAL OF OFFICE, this 1st day of March, 2005.

 

 
|   | /s/ Connie L.  Monk            |   |
|--------|--------------------------------|--------|
|   | Notary Public,  State of Texas |

 

 

My CommissionExpires:  7/26/08

 

7

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