**Exhibit 24**

 

# **POWEROF ATTORNEY**

 

KNOW ALL MEN BY THESE PRESENTS:

 

That the undersigned hereby irrevocably constitutes and appoints **Rhys J.Best, Charles J. Keszler and Robert F. Spears**, or any of them, asthe 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, 2003.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorneyat Dallas, Texas on this 11th day of March, 2004.

 

 
|             |   | /s/ Frederick B. Hegi, Jr. |   |
|------------------|--------|----------------------------|--------|
|             |   | Frederick B. Hegi, Jr.     |
|             |   |                       |
|             |   |                       |
| STATE OF TEXAS   | § |                       |
|             | § |                       |
| COUNTY OF DALLAS | § |                       |

 

BEFORE ME, Sharon E. Goodrich, a Notary Public in and for the State ofTexas, on this day did personally appear Frederick B. Hegi, Jr., known to me tobe the person whose name is subscribed to the foregoing Power of Attorney, andacknowledged to me that he executed such Power of Attorney for the purposes andconsideration therein expressed.

 

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 11th day of March, 2004.

 

 
|                                  |   | /s/ Sharon E. Goodrich        |   |
|---------------------------------------|--------|-------------------------------|--------|
|                                  |   | Notary Public, State of Texas |
|                                  |   |                          |
|                                  |   |                          |
| My Commission Expires:   9/14/06 |   |

 

1

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**POWER OF ATTORNEY**

 

KNOW ALL MEN BY THESE PRESENTS:

 

That the undersigned hereby irrevocably constitutes and appoints **Rhys J.Best, Charles J. Keszler and Robert F. Spears**, or any of them, asthe 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, 2003.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorneyat Dallas, Texas on this 11th day of March, 2004.

 

 
|             |   | /s/ Robert Kelley |   |
|------------------|--------|-------------------|--------|
|             |   | Robert Kelley     |
|             |   |              |
|             |   |              |
| STATE OF TEXAS   | § |              |
|             | § |              |
| COUNTY OF DALLAS | § |              |

 

BEFORE ME, Sharon E. Goodrich, a Notary Public in and for the State ofTexas, on this day did personally appear Robert Kelley, known to me to be theperson whose name is subscribed to the foregoing Power of Attorney, andacknowledged to me that he executed such Power of Attorney for the purposes andconsideration therein expressed.

 

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 11th day of March, 2004.

 

 
|                                  |   | /s/ Sharon E. Goodrich        |   |
|---------------------------------------|--------|-------------------------------|--------|
|                                  |   | Notary Public, State of Texas |
|                                  |   |                          |
|                                  |   |                          |
| My Commission Expires:   9/14/06 |   |

 

2

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# **POWEROF ATTORNEY**

 

KNOW ALL MEN BY THESE PRESENTS:

 

That the undersigned hereby irrevocably constitutes and appoints **Rhys J.Best, Charles J. Keszler and Robert F. Spears**, or any of them, asthe 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, 2003.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorneyat Dallas, Texas on this 11th day of March, 2004.

 

 
|             |   | /s/ M. Joseph McHugh |   |
|------------------|--------|----------------------|--------|
|             |   | M. Joseph McHugh     |
|             |   |                 |
|             |   |                 |
| STATE OF TEXAS   | § |                 |
|             | § |                 |
| COUNTY OF DALLAS | § |                 |

 

BEFORE ME, Sharon E. Goodrich, a Notary Public in and for the State ofTexas, on this day did personally appear M. Joseph McHugh, known to me to bethe person whose name is subscribed to the foregoing Power of Attorney, andacknowledged to me that he executed such Power of Attorney for the purposes andconsideration therein expressed.

 

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 11th day of March, 2004.

 

 
|                                  |   | /s/ Sharon E. Goodrich        |   |
|---------------------------------------|--------|-------------------------------|--------|
|                                  |   | Notary Public, State of Texas |
|                                  |   |                          |
|                                  |   |                          |
| My Commission Expires:   9/14/06 |   |

 

3

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# **POWEROF ATTORNEY**

 

KNOW ALL MEN BY THESE PRESENTS:

 

That the undersigned hereby irrevocably constitutes and appoints **Rhys J.Best, Charles J. Keszler and Robert F. Spears**, or any of them, asthe 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, 2003.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorneyat Dallas, Texas on this 11th day of March, 2004.

 

 
|             |   | /s/ Thomas M. Mercer, Jr. |   |
|------------------|--------|---------------------------|--------|
|             |   | Thomas M. Mercer, Jr.     |
|             |   |                      |
|             |   |                      |
| STATE OF TEXAS   | § |                      |
|             | § |                      |
| COUNTY OF DALLAS | § |                      |

 

BEFORE ME, Sharon E. Goodrich, a Notary Public in and for the State ofTexas, on this day did personally appear Thomas M. Mercer, Jr., known to me tobe the person whose name is subscribed to the foregoing Power of Attorney, andacknowledged to me that he executed such Power of Attorney for the purposes andconsideration therein expressed.

 

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 11th day of March, 2004.

 

 
|   |   | /s/ Sharon E. Goodrich               |   |
|--------|--------|--------------------------------------|--------|
|   |   | Notary Public, State of Texas        |
|   |   |                                 |
|   |   | My Commission Expires:  9/14/06 |

 

4

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# **POWEROF ATTORNEY**

 

KNOW ALL MEN BY THESE PRESENTS:

 

That the undersigned hereby irrevocably constitutes and appoints **Rhys J.Best, Charles J. Keszler and Robert F. Spears**, or any of them, asthe 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, 2003.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorneyat Dallas, Texas on this 11th day of March, 2004.

 

 
|             |   | /s/ Jerry E. Ryan |   |
|------------------|--------|-------------------|--------|
|             |   | Jerry E. Ryan     |
|             |   |              |
|             |   |              |
| STATE OF TEXAS   | § |              |
|             | § |              |
| COUNTY OF DALLAS | § |              |

 

BEFORE ME, Sharon E. Goodrich, a Notary Public in and for the State ofTexas, on this day did personally appear Jerry E. Ryan, known to me to be theperson whose name is subscribed to the foregoing Power of Attorney, andacknowledged to me that he executed such Power of Attorney for the purposes andconsideration therein expressed.

 

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 11th day of March, 2004.

 

 
|                                  |   | /s/ Sharon E. Goodrich        |   |
|---------------------------------------|--------|-------------------------------|--------|
|                                  |   | Notary Public, State of Texas |
|                                  |   |                          |
| My Commission Expires:   9/14/06 |   |

 

5

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# **POWEROF ATTORNEY**

 

KNOW ALL MEN BY THESE PRESENTS:

 

That the undersigned hereby irrevocably constitutes and appoints **Rhys J.Best, Charles J. Keszler and Robert F. Spears**, or any of them, asthe 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, 2003.  Theundersigned hereby ratifies and confirms all that the Attorneys-in-Fact, or anysubstitute or substitutes, may do by virtue of this Power of Attorney.

 

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorneyat Dallas, Texas on this 11th day of March, 2004.

 

 
|             |   | /s/ Robert L. Keiser |   |
|------------------|--------|----------------------|--------|
|             |   | Robert L. Keiser     |
|             |   |                 |
|             |   |                 |
| STATE OF TEXAS   | § |                 |
|             | § |                 |
| COUNTY OF DALLAS | § |                 |

 

BEFORE ME, Sharon E. Goodrich, a Notary Public in and for the State ofTexas, on this day did personally appear Robert L. Keiser, known to me to bethe person whose name is subscribed to the foregoing Power of Attorney, andacknowledged to me that he executed such Power of Attorney for the purposes andconsideration therein expressed.

 

GIVEN UNDER MY HAND AND SEAL OF OFFICE, this 11th day of March, 2004.

 

 
|                                  |   | /s/ Sharon E. Goodrich        |   |
|---------------------------------------|--------|-------------------------------|--------|
|                                  |   | Notary Public, State of Texas |
|                                  |   |                          |
| My Commission Expires:   9/14/06 |   |

 

6

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