NuVasive, Inc. Reports First Quarter 2006 Revenue of $19.7 Million

SAN DIEGO, April 27 /PRNewswire-FirstCall/ -- NuVasive, Inc. , a medical device company focused on developing products for minimally disruptive surgical treatments for the spine, announced today first quarter financial results for the period ended March 31, 2006.

The Company reported first quarter revenues of $19.7 million, a 48.3% increase over the $13.3 million for the first quarter of 2005 and a 4.6% increase over the $18.8 million for the fourth quarter of 2005.

Gross profit for the first quarter of 2006 was $15.8 million with a gross margin of 80.3%, compared with a gross profit of $10.6 million with a gross margin of 80.2% in the first quarter of 2005. For the fourth quarter of 2005, gross profit was $15.5 million with a gross margin of 82.5%.

Total operating expenses for the first quarter of 2006 were $25.0 million, compared with $14.5 million in the first quarter of 2005 and $19.9 million in the fourth quarter of 2005. The quarter-over-quarter and year-over-year increases are due primarily to (i) additional sales and marketing expenses related to the Company’s program to transition its sales force toward exclusivity; (ii) continued investment in the Company’s next generation MAS products, accelerated surgeon and sales representative training, and marketing related costs; and (iii) the inclusion of compensation expense related to employee stock options in the Company’s total operating expenses.

Total revenues for the first quarter includes freight charges, which the Company historically recognized as an offset against sales, marketing and administrative expenses. These charges will be recognized as revenue going forward. As a result, the Company is increasing its annual revenue guidance to a range of $87 - $91 million.

On a GAAP basis for the three-month period ended March 31, 2006, the Company reported a net loss of $8.1 million or $0.27 per share. On a non-GAAP basis, the first quarter net loss was $4.3 million, or $0.14 per share. Non- GAAP net loss calculations exclude amortization of acquired intangible assets of $0.2 million and stock-based compensation of $3.6 million in the first quarter of 2006.

Cash, cash equivalents and short-term investments were $155.3 million at March 31, 2006.

During the first quarter of 2006, NuVasive launched the Gradient Plus(TM) Anterior Cervical Plating System. The system was developed internally as a next-generation enhancement of the Company’s SmartPlate(R) Gradient CLP(TM) dynamic cervical plate, originally acquired from RSB Spine LLC in June 2005. Gradient Plus(TM) allows spine surgeons to choose, during the procedure, between three fixation options based on the surgical requirement: fixed, semi-constrained, or dynamic. NuVasive believes this is the only system on the market to allow intra-operative selection of all three plate styles, eliminating a surgeon’s need to use separate systems for each desired fixation option.

Alexis V. Lukianov, Chairman and Chief Executive Officer, said, “We are pleased with our first quarter results. Our year-over-year top line growth of 48.3% was driven by the continued penetration of our MAS Platform as well as our nine new products launched in 2005. We are particularly pleased with our progress toward greater sales force exclusivity, which reached 84% as of March 31, 2006. This hybrid sales force is already contributing to increased penetration of our MAS Platform in the marketplace. We also trained 132 surgeons in the first quarter, thanks in large part to an extended visit from the lead clinical advisor in the development of the XLIF(R) procedure, who conducted multiple training sessions. In addition, at the close of the quarter, the percentage of hospitals vertically integrated across our MAS product lines rose to 31%, on track to meet our previously stated guidance of 35% to 38% for the full year 2006.”

Secondary Offering

In early February of 2006, NuVasive completed an underwritten public offering of 7,829,120 shares of its common stock for $19.25 per share, with aggregate net proceeds to NuVasive of $142.1 million. The Company expects proceeds from this offering will be used to expand sales and marketing activities, fund research and development relating to potential new products, acquire or invest in complementary products or technologies, fund the expansion of distribution infrastructure, finance continued development costs related to assets and technology recently acquired, and finance regulatory approval activities and clinical trials. The Company also expects to use up to an aggregate of $31.5 million of the net proceeds to fund milestone payments to Pearsalls Limited related to the Company’s acquisition of the NeoDisc(TM) investigational device.

Non-GAAP Information

Management uses certain non-GAAP financial measures, such as non-GAAP gross profit, non-GAAP operating expenses, non-GAAP net loss and non-GAAP net loss per share, which exclude the following charges: (i) stock based compensation, (ii) charges directly related to acquisition transactions such as in-process research and development, amortization of the acquired technology assets and certain other non-recurring internal costs incurred as a result of the transaction, and (iii) certain other amounts related to non- recurring events. Management does not consider these costs in evaluating the continuing operations of the Company because management believes they are not indicative of the ongoing business operations. Therefore, management calculates the non-GAAP financial measures provided in this earnings release excluding these costs and uses these non-GAAP financial measures to enable it to analyze further and more consistently the period-to-period financial performance of its core business operations. Management believes that providing investors with these non-GAAP measures gives them additional important information to enable them to assess, in a way management assesses, the Company’s current and future continuing operations. These non-GAAP measures are not in accordance with, or an alternative for, GAAP, and may be different from non-GAAP measures used by other companies.

Conference Call

NuVasive will hold a conference call today at 5:30 p.m. ET / 2:30 p.m. PT to discuss the results. The dial-in numbers are (877) 407-4018 for domestic callers, and (201) 689-8471 for international. A live Web cast of the conference call will be available online from the investor relations page of the Company’s corporate Web site at www.nuvasive.com.

After the live Web cast, the call will remain available on NuVasive’s Web site, www.nuvasive.com, through May 27, 2006. In addition, a telephonic replay of the call will be available until May 18, 2006. The replay dial-in numbers are (877) 660-6853 for domestic callers and (201) 612-7415 for international callers. Please use account number 3055 and conference ID number 199289.

About NuVasive

NuVasive is a medical device company focused on the design, development and marketing of products for the surgical treatment of spine disorders. The Company’s product portfolio is focused on applications in the over $2.9 billion U.S. spine fusion market. The Company’s current principal product offering includes a minimally disruptive surgical platform called Maximum Access Surgery, or MAS(TM), as well as classic fusion implants.

The MAS platform offers advantages for both patients and surgeons such as reduced surgery and hospitalization time and faster recovery. MAS combines three categories of current product offerings-NeuroVision(R), a proprietary software-driven nerve avoidance system; MaXcess(R), a unique split-blade design retraction system; and specialized implants, like SpheRx(R) and CoRoent(R)-that collectively minimize soft tissue disruption during spine surgery while allowing maximum visualization and surgical reproducibility. NuVasive’s classic fusion portfolio is comprised predominantly of proprietary saline packaged bone allografts and internal fixation products. NuVasive also has a robust R&D pipeline emphasizing both MAS and motion preservation products such as Total Disc Replacement (TDR) and the NeoDisc(TM) investigational nucleus-like replacement device.

NuVasive cautions you that statements included in this press release that are not a description of historical facts are forward-looking statements that involve risks, uncertainties, assumptions and other factors which, if they do not materialize or prove correct, could cause NuVasive’s results to differ materially from historical results or those expressed or implied by such forward-looking statements. The potential risks and uncertainties that could cause actual growth and results to differ materially include, but are not limited to: the risk that NuVasive’s sales or development projections may turn out to be incorrect because of unanticipated difficulty in selling products or bringing products to market; the uncertain process of seeking regulatory approval or clearance for NuVasive’s products or devices, including risks that such process could be significantly delayed; the possibility that the FDA may require significant changes to NuVasive’s products or clinical studies; the risk that products may not perform as intended and may therefore not achieve commercial success; the risk that competitors may develop superior products or may have a greater market position enabling more successful commercialization; the risk that additional clinical data may call into question the benefits of NuVasive’s products to patients and surgeons; and other risks and uncertainties more fully described in NuVasive’s press releases and periodic filings with the Securities and Exchange Commission. NuVasive’s public filings with the Securities and Exchange Commission are available at www.sec.gov. NuVasive assumes no obligation to update any forward-looking statement to reflect events or circumstances arising after the date on which it was made.

NUVASIVE, INC. UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (in thousands, except per share data) Three Months Ended March 31, 2006 GAAP Non-GAAP Basis Adjustments Basis Revenue $19,685 $- $19,685 Cost of goods sold 3,880 (99) B 3,781 Gross profit 15,805 99 15,904 Operating expenses: Sales, marketing and administrative 21,132 (2,924) A/C 18,208 Research and development 3,877 (812) A 3,065 Total operating expenses 25,009 (3,736) 21,273 Interest and other income (expense), net 1,098 - 1,098 Net loss $(8,106) $3,835 $(4,271) Historical net loss per share: Basic and diluted $(0.27) $(0.14) Weighted average shares- basic and diluted 29,649 29,649 Three Months Ended March 31, 2005 GAAP Non-GAAP Basis Adjustments Basis Revenue $13,272 $- $13,272 Cost of goods sold 2,627 - 2,627 Gross profit 10,645 - 10,645 Operating expenses: Sales, marketing and administrative 11,981 (539) A 11,442 Research and development 2,559 (400) A 2,159 Total operating expenses 14,540 (939) 13,601 Interest and other income (expense), net 340 - 340 Net loss $(3,555) $939 $(2,616) Historical net loss per share: Basic and diluted $(0.15) $(0.11) Weighted average shares- basic and diluted 23,881 23,881 A - Elimination of non-cash stock-based compensation. B - Amortization of the increase in the fair value on the date of acquisition of inventory acquired from RSB Spine. C - Amortization of technology assets purchased from RSB Spine and Riverbend. NUVASIVE, INC. UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (in thousands) March 31, 2006 December 31, 2005 Assets Current assets: Cash and cash equivalents $17,991 $12,545 Short-term investments 137,313 6,945 Accounts receivable, net 12,228 11,662 Inventory, net 13,960 11,870 Prepaid expenses and other current assets 1,118 1,496 Total current assets 182,610 44,518 Property and equipment, net 18,432 17,974 Intangible assets, net 8,759 8,894 Other assets 192 104 Total Assets $209,993 $71,490 Liabilities and Stockholders’ Equity Current liabilities: Accounts payable and accrued liabilities $8,145 $6,102 Accrued payroll and related expenses 3,987 5,587 Total current liabilities 12,132 11,689 Long-term liabilities 1,676 1,665 Stockholders equity: Common stock 33 25 Additional paid-in capital 313,075 168,143 Deferred compensation - (1,195) Accumulated other comprehensive loss (12) (32) Accumulated deficit (116,911) (108,805) Total stockholders’ equity 196,185 58,136 Total liabilities and stockholders’ equity $209,993 $71,490 NUVASIVE, INC. UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (in thousands) Three Months Ended March 31, 2006 2005 Operating activities: Net loss $(8,106) $(3,555) Add back non-cash expenses Depreciation and amortization 1,611 681 Stock-based compensation 3,601 939 Other non-cash adjustments (92) 198 Changes in operating assets and liabilities: Accounts receivable (471) (1,251) Inventory (2,050) (971) Prepaid expenses and other current assets 378 109 Accounts payable and accrued liabilities 2,031 2,215 Accrued payroll and related expenses (1,600) (670) Net cash used in operating activities (4,698) (2,305) Investing activities: Purchases of property and equipment (1,934) (4,252) (Purchases) sales of short-term investments, net (130,368) 14,389 Other assets (88) (118) Net cash provided by investing activities (132,390) 10,019 Financing activities: Payment of capital leases (1) Issuance of common stock 142,534 98 Net cash provided by financing activities 142,534 97 Increase in cash and cash equivalents 5,446 7,811 Cash and cash equivalents at beginning of period 12,545 8,560 Cash and cash equivalents at end of period $17,991 $16,371 Contact: Investors: Kevin C. O’Boyle Stephanie Carrington/Nick Laudico EVP & Chief Financial Officer The Ruth Group NuVasive, Inc. 646-536-7017/7030 858-909-1800 scarrington@theruthgroup.cominvestorrelations@nuvasive.comnlaudico@theruthgroup.com

NuVasive, Inc.

CONTACT: Kevin C. O’Boyle, EVP & Chief Financial Officer of NuVasive,Inc., +1-858-909-1800, investorrelations@nuvasive.com; Investors -Stephanie Carrington, +1-646-536-7017, scarrington@theruthgroup.com, orNick Laudico, +1-646-536-7030, nlaudico@theruthgroup.com, both of The RuthGroup

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