SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 Commission File Number 0-11201 NOTIFICATION OF LATE FILING (Check one): (X) Form 10-KSB ( ) Form 11-K ( ) Form 20-F ( ) Form 10-QSB ( ) Form N-SAR For period ended: December 28, 2003 ( ) Transition Report on Form 10-K ( ) Transition Report on Form 20-F ( ) Transition Report on Form 11-K ( ) Transition Report on Form 10-Q ( ) Transition Report on Form N-SAR For the transition period ended: Nothing in this form shall be construed to imply that the Commission has verified any information contained herein. If the notification relates to a portion of the filing checked above, identify the item(s) to which the notification relates: PART I REGISTRANT INFORMATION Full name of registrant: MERRIMAC INDUSTRIES, INC. Former name if applicable: Address of principal executive office (Street and Number): 41 FAIRFIELD PLACE City, State and Zip Code: WEST CALDWELL, NEW JERSEY 07006 PART II RULES 12B-25(b) AND (c) If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check where appropriate.) (X) (a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense; (X) (b) The subject annual report, semi-annual report, transition report on Form 10-K, 20-F, 11-K or Form N-SAR, or portion thereof will be filed on or before the 15th calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q, or portion, thereof will be filed on or before the fifth calendar day following the prescribed due date, and ( ) (c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable. PART III NARRATIVE State below in reasonable detail the reasons why Form 10-K, 11-K, 20-F, 10-QSB, N-SAR or the transition report portion thereof could not be filed within the prescribed time period. (Attach extra sheets if needed.) Negotiation of changes to the Company's credit facility with its primary lender could not be concluded on a timely basis and the appropriate 10-KSB disclosure of the Company's relationship with the lender could not be prepared and approved by management until a final, binding agreement is in place. PART IV OTHER INFORMATION (1) Name and telephone number of person to contact in regard to this notification. (2) Mason N. Carter (973) 575-1300 ---------------------------------------------------- (Name) (Telephone Number) (3) Have all other periodic reports required under Section 13 or 15(d) or the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If the answer is no, identify report(s). (X) Yes ( ) No (4) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? ( ) Yes (X) No If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made. MERRIMAC INDUSTRIES, INC. ------------------------- (Name of Registrant as Specified in Charter) Has caused this notification to be signed on its behalf by the undersigned thereunto duly authorized. Date: March 28, 2003 By: /s/ Mason N. Carter -------------------------- Mason N. Carter Chairman and Chief Executive Officer