content: UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  
  FORM 144
  
  NOTICE OF PROPOSED SALE OF SECURITIES
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
  ATTENTION: Transmit for filing 3 copies of this form concurrently with either
  placing an order with a broker to execute sale or executing a sale directly
  with a market maker.
  1 (a) NAME OF ISSUER (Please type or print)
  (b) IRS IDENT. NO.
  (c) S.E.C.
  FILE NO.
  WORK LOCATION
  WD-40 Company
  95-1797918
  000-06936
    United States
  1
  (d) ADDRESS OF ISSUER
  STREET
  CITY
  STATE
  ZIP CODE
  (e) TELEPHONE NO.
  1061 Cudahy Place
  San Diego
  CA
  92110
  AREA CODE
  NUMBER
  
  
  
  
  
  619
  275-1400
  2
  (a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD
  (b) IRS
  IDENT. NO.
  (c) RELATIONSHIP TO ISSUER
  (d) ADDRESS STREET
  CITY
  STATE
  ZIP
  CODE
  
  William B. Noble
   N/A
  Exec. Officer
  Brick Close, Kiln Farm
  Keynes,
  UK MK113LJ
  
  INSTRUCTION:  The person filing this notice should contact the
  issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number.
  3 (a)
  Title of the Class of Securities To Be Sold
  (b)
  Name and Address of
  Each Broker Through Whom the Securities are to be Offered or Each Market Maker
  who is Acquiring the Securities
  SEC USE ONLY
  (c)
  Number of Shares
  or Other Units
  To Be Sold
  (See instr. 3(c))
  (d)
  Aggregate
  Market
  Value
  (See instr. 3(d))
  (e)
  Number of Shares
  or Other Units
  Outstanding
  (See instr. 3(e))
  (f)
  Approximate Date of Sale
  (See instr. 3(f))
  (MO. DAY YR.)
  (g)
  Name of Each Securities Exchange
  (See instr. 3(g))
  
  
  
  
  Broker-Dealer
  File Number
  
  
  
  
  
  
  
  
  
  
  Common Stock
  Computershare Securities Corp.
  2 North LaSalle Street
  Chicago, IL  60602
  
  Broadcort Correspondent Clearing Division
  Merrill, Lynch, Pierce, Fenner & Smith Incorporated
  101 Hudson Street, 7th Floor
  Jersey City, New Jersey 07302
  
  21,000
  $729,330 (1)
  17,587,807
  (2) NASDAQ
  INSTRUCTIONS:
  1.
  (a)
  Name of issuer
  3.
  (a)
  Title of the class of securities to be sold
  (b) Issuer's I.R.S. Identification Number
  
  (b)
  Name and address of each broker
   through whom the securities are intended to be sold
  
  (c)
  Issuer's S.E.C. file
   number, if any
  
  (c)
  Number of shares or other units to be sold (if debt
  securities, give the aggregate face amount)
  
  (d)
  Issuer's address, including
  zip code
  
  (d)
  Aggregate market value of the securities to be sold as of a
  specified date within 10 days prior to the filing of this notice
  
  (e)
  Issuer's
   telephone number, including area code
  
  (e)
  Number of shares or other units of
   the class outstanding, or if debt securities the face amount thereof
  outstanding, as shown by the most recent report or statement published by the
  issuer (f) Approximate date on which the securities are to be sold 2. (a) Name
  of person for whose account the securities are to be sold
  
  (g)
  Name of each
  securities exchange, if any, on which the securities are intended to be sold
  (b) Such person's I.R.S. identification number, if such person is an entity
  (c) Such person's relationship to the issuer (e.g., officer, director, 10%
  stockholder, or member of immediate family of any of the foregoing) (d) Such
  person's address, including zip code
  
  
  
  Potential persons who are to respond
  to the collection of information contained in this form are not required to
  respond unless the form displays a currently valid OMB control number.
  SEC 1147 (01-04)
  
  
  TABLE I -- SECURITIES TO BE SOLD
  Furnish the following information with respect to the acquisition of the
  securities to be sold and with respect to the payment of all or any part of
  the purchase price or other consideration therefor:
  
  Title of the Class
  Date you Acquired
  Nature of Acquisition Transaction Name
  of Person from Whom Acquired
  (If gift, also give date donor acquired)
  Amount of Securities Acquired
  Date of Payment
  Nature of Payment
  Common Stock
  (2)
  Exercise of stock option
  WD-40 Company 21,000
   (2) Sale Proceeds (2)
  
  INSTRUCTIONS:
  If the securities were purchased and full payment therefor was
  not made in cash at the time of purchase, explain in the table or in a note
  thereto the nature of the consideration given. If the consideration consisted
  of any note or other obligation, or if payment was made in installments
  describe the arrangement and state when the note or other obligation was
  discharged in full or the last installment paid.
  
  
  TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
  Furnish the following information as to all securities of the issuer sold
  during the past 3 months by the person for whose account the securities are
  to be sold.
  
  Name and Address of Seller
  Title of Securities Sold
  Date of Sale Amount of
  Securities Sold
  Gross Proceeds N/A REMARKS:
  (1)  Estimated based on the fair market value at market close on 5/3/07
  of $34.73/share.
  (2)  These control securities, registered on Form S-8, will be acquired upon
  the proposed exercise of stock options for 21,000 shares and sold on the same
  day pursuant to a cashless stock option exercise transaction processed by the
  Issuer's stock option plan administrator.
  
  INSTRUCTIONS:
  
  ATTENTION:
  See the definition of "person" in paragraph (a) of
  Rule 144. Information is to be given not only as to the person for whose
  account the securities are to be sold but also as to all other persons included
   in that definition. In addition, information shall be given as to sales by all
   persons whose sales are required by paragraph (e) of Rule 144 to be aggregated
   with sales for the account of the person filing this notice.
  
  The person for
  whose account the securities to which this notice relates are to be sold hereby
   represents by signing this notice that he does not know any material adverse
  information in regard to the current and prospective operations of the Issuer
  of the securities to be sold which has not been publicly disclosed.
  5/4/07
  
  /s/ Maria M. Mitchell as Attorney in Fact for William B. Noble
  DATE OF NOTICE   (SIGNATURE) The notice shall be signed by the person for whose
   account the securities are to be sold. At least one copy of the notice shall
  be manually signed.
  Any copies not manually signed shall bear typed or printed signatures.
  ATTENTION: Intentional misstatements or omission of facts constitute Federal
  Criminal Violations (See 18 U.S.C. 1001) SEC 1147 (01-04)
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text: UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  
  FORM 144
  
  NOTICE OF PROPOSED SALE OF SECURITIES
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
  ATTENTION: Transmit for filing 3 copies of this form concurrently with either
  placing an order with a broker to execute sale or executing a sale directly
  with a market maker.
  1 (a) NAME OF ISSUER (Please type or print)
  (b) IRS IDENT. NO.
  (c) S.E.C.
  FILE NO.
  WORK LOCATION
  WD-40 Company
  95-1797918
  000-06936
    United States
  1
  (d) ADDRESS OF ISSUER
  STREET
  CITY
  STATE
  ZIP CODE
  (e) TELEPHONE NO.
  1061 Cudahy Place
  San Diego
  CA
  92110
  AREA CODE
  NUMBER
  
  619
  275-1400
  2
  (a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD
  (b) IRS
  IDENT. NO.
  (c) RELATIONSHIP TO ISSUER
  (d) ADDRESS STREET
  CITY
  STATE
  ZIP
  CODE
  
  William B. Noble
   N/A
  Exec. Officer
  Brick Close, Kiln Farm
  Keynes,
  UK MK113LJ
  
  INSTRUCTION:  The person filing this notice should contact the
  issuer to obtain the I.R.S. Identification Number and the S.E.C. File Number.
  3 (a)
  Title of the Class of Securities To Be Sold
  (b)
  Name and Address of
  Each Broker Through Whom the Securities are to be Offered or Each Market Maker
  who is Acquiring the Securities
  SEC USE ONLY
  (c)
  Number of Shares
  or Other Units
  To Be Sold
  (See instr. 3(c))
  (d)
  Aggregate
  Market
  Value
  (See instr. 3(d))
  (e)
  Number of Shares
  or Other Units
  Outstanding
  (See instr. 3(e))
  (f)
  Approximate Date of Sale
  (See instr. 3(f))
  (MO. DAY YR.)
  (g)
  Name of Each Securities Exchange
  (See instr. 3(g))
  
  Broker-Dealer
  File Number
  
  Common Stock
  Computershare Securities Corp.
  2 North LaSalle Street
  Chicago, IL  60602
  
  Broadcort Correspondent Clearing Division
  Merrill, Lynch, Pierce, Fenner & Smith Incorporated
  101 Hudson Street, 7th Floor
  Jersey City, New Jersey 07302
  
  21,000
  $729,330 (1)
  17,587,807
  (2) NASDAQ
  INSTRUCTIONS:
  1.
  (a)
  Name of issuer
  3.
  (a)
  Title of the class of securities to be sold
  (b) Issuer's I.R.S. Identification Number
  
  (b)
  Name and address of each broker
   through whom the securities are intended to be sold
  
  (c)
  Issuer's S.E.C. file
   number, if any
  
  (c)
  Number of shares or other units to be sold (if debt
  securities, give the aggregate face amount)
  
  (d)
  Issuer's address, including
  zip code
  
  (d)
  Aggregate market value of the securities to be sold as of a
  specified date within 10 days prior to the filing of this notice
  
  (e)
  Issuer's
   telephone number, including area code
  
  (e)
  Number of shares or other units of
   the class outstanding, or if debt securities the face amount thereof
  outstanding, as shown by the most recent report or statement published by the
  issuer (f) Approximate date on which the securities are to be sold 2. (a) Name
  of person for whose account the securities are to be sold
  
  (g)
  Name of each
  securities exchange, if any, on which the securities are intended to be sold
  (b) Such person's I.R.S. identification number, if such person is an entity
  (c) Such person's relationship to the issuer (e.g., officer, director, 10%
  stockholder, or member of immediate family of any of the foregoing) (d) Such
  person's address, including zip code
  
  Potential persons who are to respond
  to the collection of information contained in this form are not required to
  respond unless the form displays a currently valid OMB control number.
  SEC 1147 (01-04)
  
  TABLE I -- SECURITIES TO BE SOLD
  Furnish the following information with respect to the acquisition of the
  securities to be sold and with respect to the payment of all or any part of
  the purchase price or other consideration therefor:
  
  Title of the Class
  Date you Acquired
  Nature of Acquisition Transaction Name
  of Person from Whom Acquired
  (If gift, also give date donor acquired)
  Amount of Securities Acquired
  Date of Payment
  Nature of Payment
  Common Stock
  (2)
  Exercise of stock option
  WD-40 Company 21,000
   (2) Sale Proceeds (2)
  
  INSTRUCTIONS:
  If the securities were purchased and full payment therefor was
  not made in cash at the time of purchase, explain in the table or in a note
  thereto the nature of the consideration given. If the consideration consisted
  of any note or other obligation, or if payment was made in installments
  describe the arrangement and state when the note or other obligation was
  discharged in full or the last installment paid.
  
  TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
  Furnish the following information as to all securities of the issuer sold
  during the past 3 months by the person for whose account the securities are
  to be sold.
  
  Name and Address of Seller
  Title of Securities Sold
  Date of Sale Amount of
  Securities Sold
  Gross Proceeds N/A REMARKS:
  (1)  Estimated based on the fair market value at market close on 5/3/07
  of $34.73/share.
  (2)  These control securities, registered on Form S-8, will be acquired upon
  the proposed exercise of stock options for 21,000 shares and sold on the same
  day pursuant to a cashless stock option exercise transaction processed by the
  Issuer's stock option plan administrator.
  
  INSTRUCTIONS:
  
  ATTENTION:
  See the definition of "person" in paragraph (a) of
  Rule 144. Information is to be given not only as to the person for whose
  account the securities are to be sold but also as to all other persons included
   in that definition. In addition, information shall be given as to sales by all
   persons whose sales are required by paragraph (e) of Rule 144 to be aggregated
   with sales for the account of the person filing this notice.
  
  The person for
  whose account the securities to which this notice relates are to be sold hereby
   represents by signing this notice that he does not know any material adverse
  information in regard to the current and prospective operations of the Issuer
  of the securities to be sold which has not been publicly disclosed.
  5/4/07
  
  /s/ Maria M. Mitchell as Attorney in Fact for William B. Noble
  DATE OF NOTICE   (SIGNATURE) The notice shall be signed by the person for whose
   account the securities are to be sold. At least one copy of the notice shall
  be manually signed.
  Any copies not manually signed shall bear typed or printed signatures.
  ATTENTION: Intentional misstatements or omission of facts constitute Federal
  Criminal Violations (See 18 U.S.C. 1001) SEC 1147 (01-04)