UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 5
ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
( ) Check box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
( ) Form 3 Holdings Reported
( ) Form 4 Transactions Reported
1. Name and Address of Reporting Person
Klesse, William R.
P.O. Box 696000
San Antonio, Texas 78269-6000
2. Issuer Name and Ticker or Trading Symbol
Ultramar Diamond Shamrock Corporation
(UDS)
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement for Month/Year
December 31, 1999
5. If Amendment, Date of Original (Month/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
(specify below)
Executive Vice President - Operations
7. Individual or Joint/Group Reporting (Check Applicable Line)
(X) Form filed by One Reporting Person
( ) Form filed by More than One Reporting Person
<TABLE>
<CAPTION>
___________________________________________________________________________________________________________________________________
Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned |
___________________________________________________________________________________________________________________________________|
1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect |
|Transaction| or Disposed of (D) | Securities |ect | Beneficial Ownership |
|Date |Code| | Beneficially |(D)or | |
| | | | A/| | Owned at |Indir | |
| | | Amount | D | Price | End of Year |ect(I)| |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C> <C> <C> <C> <C> <C>
Common Stock | | | | | |40,166 (b) |D | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Common Stock | | | | | |7,290 (d) |I | |
- -----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|
<CAPTION>
___________________________________________________________________________________________________________________________________
Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned |
___________________________________________________________________________________________________________________________________|
1.Title of Derivative |2.Con |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of|
Security |version |Transaction rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect |
|or Exer |Date |Code| rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial |
|cise Pr | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership |
|ice of | | | posed of(D) |Day/Year) | |rity |Benefi |or | |
|Deriva | | | |Date |Expir| | |ficially |Ind| |
|tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| |
|Secu | | | | D |cisa-|Date | of Shares | |End of |ct | |
|rity | | | Amount | |ble | | | |Year |(I)| |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Cash only securities | | |A |165 |A |(hh) | |Common Stock|165 | |326,271 |D | |
- -----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|
</TABLE>
Explanation of Responses:
(b) 469 of such shares were issued pursuant to Long-Term Incentive Plans and
remain subject to forfeiture as of
December 31, 1999.
(d) 7,290 shares previously held by Trustee of the Company's Employee Stock
Ownership Plans were rolled over
into the 401(k).
(hh) Cash only securities denominated in Ultramar Diamond Shamrock Corporation
stock held in the Company's
Excess ESOP Plan for Mr. Klesse's account at December 31, 1999.
SIGNATURE OF REPORTING PERSON
William R. Klesse (Power of Attorney)
DATE
February 14, 2000