Form: SC 13G

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

August 6, 2001

SC 13G: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

Published on August 6, 2001

CUSIP No. 867948101

1. NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

BROWN BROTHERS HARRIMAN & CO.
13-4973745

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a) [ ]
(b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION


U. S. A.

5. SOLE VOTING POWER

N/A

6. SHARED VOTING POWER

703.988

7. SOLE DISPOSITIVE POWER

N/A

8. SHARED DISPOSITIVE POWER

703,988

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

703,988

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW(9) EXCLUDES CERTAIN SHARES*

[ ]

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW [9]

10.22

12. TYPE OF REPORTING PERSON*

HC

CUSIP No. 867948101

1. NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

BROWN BROTHERS HARRIMAN TRUST COMPANY
13-3193410

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(c) [ ]
(d) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

U. S. A.

5. SOLE VOTING POWER

N/A

6. SHARED VOTING POWER

703,988

7. SOLE DISPOSITIVE POWER

N/A

8. SHARED DISPOSITIVE POWER

703,988

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

703,988

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW(9) EXCLUDES CERTAIN SHARES*

[ ]

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW [9]

10.22

12. TYPE OF REPORTING PERSON*

HC