Filed pursuant to Rule 424(b)(3) Reg. No. 333-53522 PROSPECTUS SUPPLEMENT NO. 1 (To Prospectus dated February 9, 2001) SPECTRASITE HOLDINGS, INC. 6 3/4% SENIOR CONVERTIBLE NOTES DUE 2010 This prospectus supplement no. 1 supplements and amends the prospectus dated February 9, 2001, relating to the resale of SpectraSite's 6 3/4% senior convertible notes due 2010 and the shares of SpectraSite common stock, par value $.001, issuable upon conversion of the notes. The table and footnotes on pages 35 through 38 of the prospectus set forth information with respect to the selling holders and the respective amounts of convertible notes held and shares of common stock beneficially owned by each selling holder that may be offered pursuant to the prospectus, as supplemented and amended. This prospectus supplement amends the table in the prospectus by adding Arpessio Fund, LP, Deutsche Banc Alex.Brown, Investcorp - SAM Fund Ltd. and Rhapsody Fund, LP as selling holders and by replacing the information contained in the table for CIBC World Markets Corp. and for the category "Any other holder of notes or future transferee, pledgee, donee or successor of any holder" with the corresponding information set forth below. Shares of Common Principal Principal Stock Shares of Shares of Amount Amount of Beneficially Common Common Stock of Notes Notes Owned Owned Stock Beneficially Owned and After the Prior to Offered Owned After Selling Securityholders Offered Offering Offering Hereby the Offering --------------------------------------- ------- -------- --------- ------- ------------- Arpessio Fund, LP...................... $ 400,000 none 18,551 18,551 none CIBC World Markets Corp. .............. 18,050,000 none 10,837,102 837,102 10,000,000 Deutsche Banc Alex.Brown(1)............ 12,867,000 none 2,684,861 596,731 2,088,130 Investcorp - SAM Fund Ltd.............. 1,400,000 none 64,928 64,928 none Rhapsody Fund, LP...................... 1,700,000 none 78,841 78,841 none Any other holder of notes or future transferee, pledgee, donee or successor of any holder ............. 12,430,000 none 576,464 546,464 none ---------- (1) Deutsche Banc Alex.Brown was a co-lead underwriter of our public common stock offering in July 2000 and a co-manager of our public common stock offering in February 2000. Deutsche Banc was also a placement agent for our 127/8 % senior discount notes due 2010 and our 10 3/4% senior notes due 2010. The prospectus, together with this prospectus supplement no. 1, constitutes the prospectus required to be delivered by Section 5(b) of the Securities Act of 1933, as amended, with respect to offers and sales of the convertible notes and the common stock issuable upon conversion of the convertible notes. All references in the prospectus to "this prospectus" are amended to read "this prospectus, as supplemented and amended." Prospective investors should carefully review "Risk Factors" beginning on page 5 of the prospectus for a discussion of risks that should be considered when investing in the notes or our common stock. Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus or any accompanying prospectus supplement. Any representation to the contrary is a criminal offense. The date of this prospectus supplement is February 20, 2001. The following table sets forth, as of February 19, 2001, information regarding the beneficial ownership of the notes and our common stock by the selling holders. The information is based on information provided by or on behalf of the selling holders through February 19, 2001. Shares of Common Principal Principal Stock Shares of Shares of Amount Amount of Beneficially Common Common Stock of Notes Notes Owned Owned Stock Beneficially Owned and After the Prior to Offered Owned After Selling Securityholders Offered(1) Offering(2) Offering Hereby(3)(4) the Offering(2) --------------------------------------- ---------- ----------- --------- ------------ --------------- AIG SoundShore Opportunity Holding Fund Ltd. (5)............................. $ 5,000,000 none 231,885 231,885 none AIG SoundShore Strategic Holding Fund Ltd. (6)............................. 5,000,000 none 231,885 231,885 none Allstate Insurance Company............. 625,000 none 28,986 28,986 none Allstate Life Insurance Company........ 75,000 none 3,479 3,479 none Alpine Associates...................... 5,600,000 none 259,711 259,711 none Alpine Partners, L.P................... 900,000 none 41,740 41,740 none Amaranth Securities L.L.C.............. 7,700,000 none 357,102 357,102 none Arpessio Fund, LP...................... 400,000 none 18,551 18,551 none BTESC.................................. 1,500,000 none 69,566 69,566 none BTOPO Growth vs Value.................. 3,000,000 none 139,131 139,131 none Bank America Pension Plan.............. 4,000,000 none 185,508 185,508 none CIBC World Markets Corporation (7)..... 18,050,000 none 10,837,102 837,102 10,000,000 Castle Convertibles Fund, Inc.......... 1,250,000 none 57,972 57,972 none Deephaven Domestic Convertible Trading Ltd. (8)............................. 3,000,000 none 139,131 139,131 none Deeprock & Co.......................... 2,500,000 none 115,943 115,943 none Deutsche Banc Alex.Brown (9)........... 12,867,000 none 2,684,861 596,731 2,088,130 DIA High Yield Bond Fund (10).......... 250,000 none 11,595 11,595 none Duckbill & Co.......................... 2,000,000 none 92,754 92,754 none Eaton Vance High Income Portfolio (11)................................. 2,860,000 none 132,638 132,638 none Eaton Vance Income Fund of Boston (12)................................. 1,540,000 none 71,421 71,421 none Fidelity Advisor Aggressive Growth Fund................................. 430,000 none 19,943 19,943 none General Motors Welfare Benefit Trust (L-T Veba)........................... 2,000,000 none 92,754 92,754 none General Motors Welfare Benefit Trust (ST-Veba)............................ 2,000,000 none 92,754 92,754 none Global Bermuda Limited Partnership..... 2,180,000 none 101,102 101,102 none Hallmark Master Trust High Yield (13).. 250,000 none 11,595 11,595 none Investcorp - SAM Fund Ltd.............. 1,400,000 none 64,928 64,928 none JMG Capital Partners, LP............... 3,500,000 none 162,319 162,319 none JMG Triton Offshore Fund, Ltd.......... 3,500,000 none 162,319 162,319 none KBC Financial Products USA............. 2,100,000 none 97,392 97,392 none Lakeshore International Ltd............ 4,100,000 none 190,145 190,145 none Lehman Brothers Inc. (14).............. 1,000,000 none 46,377 46,377 none Lipper Convertibles, L.P............... 11,367,000 none 527,166 527,166 none Lipper Convertibles Series II, L.P..... 2,000,000 none 92,754 92,754 none Lipper Offshore Convertibles, L.P...... 2,000,000 none 92,754 92,754 none Lipper Offshore Convertibles, L.P. #2.. 1,000,000 none 46,377 46,377 none Merced Partners Limited Partnership.... 5,000,000 none 231,885 231,885 none Morgan Stanley & Co. Incorporated (15)................................. 20,000,000 none 8,474,922 927,537 7,547,385 Nomura Securities International, Inc.................................. 1,000,000 none 46,377 46,377 none Paloma Securities LLC.................. 8,000,000 none 375,015 371,015 4,000 Peoples Benefit Life Insurance Company.............................. 4,000,000 none 185,508 185,508 none Peoples Benefit Life Insurance Company TEAMSTERS............................ 6,000,000 none 278,261 278,261 none Retail Clerks Pension Trust............ 2,500,000 none 115,943 115,943 none Retail Clerks Pension Trust #2......... 1,500,000 none 69,566 69,566 none Rhapsody Fund, LP...................... 1,700,000 none 78,841 78,841 none St. Albans Partners Ltd................ 4,000,000 none 185,508 185,508 none TIAA-CREF Mutual Funds F/B/O its High Yield Bond Fund (16).. 250,000 none 11,595 11,595 none TQA Master Plus Fund, LTD.............. 500,000 none 23,189 23,189 none TQA Master Fund, LTD................... 2,000,000 none 92,754 92,754 none Teachers Insurance and Annuity 1 Shares of Common Principal Principal Stock Shares of Shares of Amount Amount of Beneficially Common Common Stock of Notes Notes Owned Owned Stock Beneficially Owned and After the Prior to Offered Owned After Selling Securityholders Offered(1) Offering(2) Offering Hereby(3)(4) the Offering(2) --------------------------------------- ----------- ------------ ----------- ------------ --------------- Association.......................... 6,000,000 none 278,261 278,261 none Thomas Weisel Partners LLC (17)........ 3,550,000 none 164,638 164,638 none UBS O'Connor LLC F/B/O UBS Global Equity Arbitrage Master Ltd........................... $ 4,500,000 none 208,696 208,696 none Variable Insurance Products Fund III: Aggressive Growth Portfolio.......... 26,000 none 1,206 1,206 none Volkswagen of America Inc.-- Salaried Eaton Vance Mgt. (18)....... 100,000 none 4,638 4,638 none Any other holder of notes or future transferee, pledgee, donee or successor of any holder (19)......... 12,430,000 none 576,464 576,464 none ---------- (1) Assumes that the full amount of the notes held by the selling holder is being offered for registration hereunder. (2) Because the selling holders may, pursuant to the prospectus, offer all or some portion of the notes and shares they presently hold or, with respect to shares, have the right to acquire upon conversion of such notes, we cannot predict the amount or percentage of the notes and shares that will be held by the selling holder upon termination of any such sales. In addition, the selling holders identified above may have sold, transferred or otherwise disposed of all or a portion of their notes and shares since the date on which they provided the information regarding their notes and shares in transactions exempt from the registration requirements of the Securities Act. See "Plan of Distribution." The selling holders may sell all, part or none of the notes or shares listed in the table. The amounts listed in the table assume that each selling holder sells all of its convertible notes and/or shares of common stock underlying such notes. (3) Assumes that the full amount of the notes held by the selling holder is converted into shares of common stock at the conversion price and offered hereunder by such selling holder. (4) The conversion price and the number of shares issuable upon conversion of the notes are subject to adjustment under certain circumstances. See "Description of Notes--Conversion of Notes." Section 15.3 of the indenture governing the convertible notes provides that if any fractional shares of common stock are issuable upon conversion of the notes, Holdings may either pay cash in lieu of such fractional shares or round up the number of shares issuable upon conversion. The number of shares reported in the table assumes that Holdings rounds up the number of shares issued upon conversion. We expressly reserve the right to pay cash in lieu of fractional shares, and any decision as to whether pay cash or round up for fractional shares will be made at the time the notes are surrendered for conversion. (5) AIG Soundshore Opportunity Holding Fund Ltd. owned 115 Holdings' January 2001 puts exercisable at $10 and 115 Holdings' February 2001 puts exercisable at $10 prior to the offering. (6) AIG Soundshore Strategic Holding Fund Ltd. owned 115 Holdings' January 2001 puts exercisable at $10 and 115 Holdings' February 2001 puts exercisable at $10 prior to the offering. (7) CIBC World Markets is a subsidiary of Canadian Imperial Bank of Commerce. Of the 10,347,827 shares reported as beneficially owned by CIBC World Markets, 10,000,000 are held by affiliates of Canadian Imperial Bank of Commerce. CIBC World Markets was an initial purchaser or placement agent for our 12% senior discount notes due 2008, our 11 1/4% senior discount notes due 2009, our 12 7/8% senior discount notes due 2010, our 10 3/4% senior notes due 2010 and our 12 1/2% senior notes due 2010. CIBC World Markets was also a co-manager of our public common stock offerings in February 2000 and July 2000. In addition, CIBC World Markets is an agent and a lender under our existing credit facility and has given us a commitment in connection with the anticipated increase of our credit facility of $1.2 billion. CIBC World Markets and its affiliates received customary fees for these services. The Trimaran group purchased 4,000,000 shares of our common stock in a private placement at a purchase price of $18.75 per share and received warrants to purchase 1,500,000 shares of common stock at exercise prices ranging from $21.56 per share to $28.00 2 per share. Certain investors in the Trimaran group are affiliates of CIBC World Markets. Andrew R. Heyer is a Managing Director of CIBC World Markets and a managing member of Trimaran Fund Management, L.L.C., the investment advisor to Trimaran Fund II L.L.C. Mr. Heyer was a member of Holdings' board of directors from April 1999 until November 2000. Our stockholders' agreement, as amended, provides that so long as the Trimaran group and Canadian Imperial Bank of Commerce and their respective affiliates own collectively 5% or more of Holdings' outstanding stock, Canadian Imperial Bank of Commerce affiliates and Caravelle Investment Fund, L.L.C. collectively will have the right to designate a representative to attend meetings of Holdings' board of directors as an observer. (8) Deephaven Domestic Convertible Trading Ltd. owned $2,000,000 aggregate principal amount of Holdings' 12 1/2% senior discount notes due 2010 prior to the offering. (9) Deutsche Banc Alex.Brown was a co-lead underwriter of our public common stock offering in July 2000 and a co-manager of our public common stock offering in February 2000. Deutsche Banc was also a placement agent for our 127/8 % senior discount notes due 2010 and our 10 3/4% senior notes due 2010. (10) DIA High Yield Bond Fund owned $2,750,000 aggregate principal amount of Holdings' 11 1/4% senior discount notes due 2009 prior to the offering. (11) Eaton Vance High Income Portfolio owned $5,360,000 aggregate principal amount of Holdings' 12% senior discount notes due 2008, $25,500,000 aggregate principal amount of Holdings' 11 1/4% senior discount notes due 2009 and $3,870,000 aggregate principal amount of Holdings' 12 7/8% senior discount notes due 2010 prior to the offering. (12) Eaton Vance Income Fund of Boston owned $1,150,000 aggregate principal amount of Holdings' 12% senior discount notes due 2008, $12,235,000 aggregate principal amount of Holdings' 11 1/4% senior discount notes due 2009 and $4,080,000 aggregate principal amount of Holdings' 12 7/8% senior discount notes due 2010 prior to the offering. (13) Hallmark Master Trust High Yield owned $1,550,000 of SpectraSite's 11 1/4% senior discount notes due 2009 prior to the offering. (14) Lehman Brothers Inc. was an initial purchaser of our 12% senior discount notes due 2008 and a co-manager of our public common stock offerings in February 2000 and July 2000. (15) Morgan Stanley & Co. Incorporated was the placement agent for the convertible notes. Morgan Stanley & Co. Incorporated was also an initial purchaser or placement agent for our 11 1/4% senior discount notes due 2009, our 12 7/8% senior discount notes due 2010 and our 10 3/4% senior notes due 2010 and was co-lead underwriter of our public common stock offerings in February 2000 and July 2000. (16) TIAA-CREF Mutual Funds F/B/O its High Yield Bond Fund owned $250,000 aggregate principal amount of Holdings' 12 1/2% senior discount notes due 2010 prior to the offering. (17) Thomas Weisel Partners LLC was a co-manager of our public common stock offering in July 2000. (18) Volkswagen of America Inc.--Salaried Eaton Vance Mgt. owned $15,000 of Holdings' 111/4% Senior Discount Notes due 2009 prior to the offering. (19) We may from time to time include additional selling holders and information about such selling holders' plans of distribution in future supplements to the prospectus, if required. The amounts provided assume that any holders of the notes, or any future transferees, pledgees, donees or successors of or from any such other holders of notes, do not beneficially own any common stock other than the common stock issuable upon conversion of the notes at the conversion rate. 3