U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C.
FORM 4
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).
1. Name and Address of Reporting Person
BARRY LAWSON WILLIAMS
109 Stevenson Street, 5TH Floor
San Francisco, CA 94105
USA
2. Issuer Name and Ticker or Trading Symbol
SIMPSON MANUFACTURING CO. INC. - (SSD)
3. IRS or Social Security Number of Reporting Person (Voluntary)
4. Statement for Month/Year
MAY 1999
5. If Amendment, Date of Original (Month/Year)
6. Relationship of Reporting Person to Issuer (Check all applicable)
(X) Director ( ) 10% Owner
( ) Officer (give title below) ( ) Other (specify below)
7. Individual or Joint/Group Filing (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 |
| | | | Beneficially |(D)or | |
| | | | | A/| | Owned at |Indir | |
| Date |Code|V| Amount | D | Price | End of Month |ect(I)| |
__________________________________________________________________________________________________________________________________|
<S> <C> <C> <C><C> <C> <C> <C> <C> <C>
|05/20 | | | | | | | | |
Common Stock |/1999 | X | | 500 | A | $29.25 | | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
|05/20 | | | | | | | | |
Common Stock |/1999 | X | | 500 | A | $37.3125| | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
|05/20 | | | | | | | | |
Common Stock |/1999 | X | | 500 | A | $36.625 | | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
|05/20 | | | | | | | | |
Common Stock |/1999 | X | | 200 | D | $47.00 | | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
|05/20 | | | | | | | | |
Common Stock |/1999 | X | | 1,300 | D | $46.75 | 0 | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
| | | | | | | | | |
| | | | | | | | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
__________________________________________________________________________________________________________________________________|
</TABLE>
<PAGE>
<TABLE>
<CAPTION>
__________________________________________________________________________________________________________________________________
Table II -- Derivative Securities 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 | | | rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial |
|cise | | | red(A) or Dis |Date(Month/| |Secu |Securities|(D)|Ownership |
|Price 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 |Date |Code|V| Amount | |ble | | | |Month |(I)| |
__________________________________________________________________________________________________________________________________|
<S> <C> <C> <C> <C><C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
| Options to Purchase | |05/03| | | | |02/12|02/11| | | | | | |
| Common Stock |$36.625 |/1999| A | | 500 | A |/1999|/2006|Common Stock| 500 |$36.625 | | D | |
- ----------------------------------------------------------------------------------------------------------------------------------|
| Options to Purchase | |05/20| | | | |02/15|02/15| | | | | | |
| Common Stock |$29.25 |/1999| X | | 500 | D |/1997|/2004|Common Stock| 500 |$29.25 | | D | |
- ----------------------------------------------------------------------------------------------------------------------------------|
| Options to Purchase | |05/20| | | | |02/13|02/15| | | | | | |
| Common Stock |$37.3125|/1999| X | | 500 | D |/1998|/2005|Common Stock| 500 |$37.3125| | D | |
- ----------------------------------------------------------------------------------------------------------------------------------|
| Options to Purchase | |05/20| | | | |02/12|02/11| | | | | | |
| Common Stock |$36.625 |/1999| X | | 500 | D |/1999|/2006|Common Stock| 500 |$36.625 | 0 | D | |
- ----------------------------------------------------------------------------------------------------------------------------------|
| | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | |
- ----------------------------------------------------------------------------------------------------------------------------------|
__________________________________________________________________________________________________________________________________|
</TABLE>
Explanation of Responses:
SIGNATURE OF REPORTING PERSON
BY: Barry Lawson Williams
/s/BARRY LAWSON WILLIAMS
- ----------------------------------
DATE
June 1, 1999
- ----------------------------------
