EXHIBIT 99.1

NEWS RELEASE

CONTACTS:

INTEGRA LIFESCIENCES HOLDINGS CORPORATION

MAUREEN B. BELLANTONI                      JOHN BOSTJANCIC
EXECUTIVE VICE PRESIDENT                   VICE PRESIDENT, CORPORATE DEVELOPMENT
AND CHIEF FINANCIAL OFFICER                AND INVESTOR RELATIONS
(609) 936-6822                             (609) 936-2239
maureen.bellantoni@integra-ls.com          jbostjancic@integra-ls.com


               INTEGRA LIFESCIENCES REPORTS 2006 FINANCIAL RESULTS

         REVENUES FOR THE FOURTH QUARTER INCREASE 72% TO $125.4 MILLION

PLAINSBORO,  NEW  JERSEY,  FEBRUARY  28,  2007 - INTEGRA  LIFESCIENCES  HOLDINGS
CORPORATION  (NASDAQ:  IART) TODAY REPORTED ITS FINANCIAL RESULTS FOR THE FOURTH
QUARTER ENDING  DECEMBER 31, 2006.  TOTAL REVENUES IN THE FOURTH QUARTER OF 2006
WERE $125.4 MILLION,  REFLECTING AN INCREASE OF $52.4 MILLION,  OR 72%, OVER THE
FOURTH  QUARTER OF 2005.  REVENUES  FROM  PRODUCTS  ACQUIRED  IN 2006 WERE $35.6
MILLION FOR THE QUARTER.

THE  COMPANY  REPORTED  GAAP NET INCOME OF $10.1  MILLION,  OR $0.34 PER DILUTED
SHARE,  FOR THE  FOURTH  QUARTER OF 2006,  COMPARED  TO GAAP NET INCOME OF $10.6
MILLION,  OR $0.33 PER DILUTED SHARE,  IN THE FOURTH  QUARTER OF 2005.  REPORTED
EARNINGS FOR THE FOURTH  QUARTER OF 2006  INCLUDED  $3.8 MILLION OF  SHARE-BASED
COMPENSATION  EXPENSE  RELATED TO THE  IMPLEMENTATION  OF SFAS 123R  SHARE-BASED
PAYMENT IN JANUARY 2006. REPORTED EARNINGS FOR THE FOURTH QUARTER OF 2005 DO NOT
REFLECT THE IMPACT OF SHARE-BASED COMPENSATION EXPENSE.

"WE ACHIEVED  RECORD REVENUES IN THE FOURTH QUARTER THROUGH STRONG GROWTH IN OUR
EXISTING  PRODUCT  LINES AND  ACQUIRED  PRODUCT  SALES,"  SAID  STUART M. ESSIG,
INTEGRA'S  PRESIDENT AND CHIEF EXECUTIVE OFFICER.  "DURING THE QUARTER,  WE ALSO
COMPLETED THE  INTEGRATION  OF KINETIKOS  MEDICAL,  INC.  (KMI) INTO OUR INTEGRA
EXTREMITY  RECONSTRUCTION  SALES  CHANNEL,  INITIATED THE PIVOTAL  UNITED STATES
CLINICAL TRIAL FOR OUR DURAGEN  PLUS(R)  ADHESION  BARRIER MATRIX -- THE LARGEST
CLINICAL  STUDY  UNDERTAKEN  BY INTEGRA IN ITS  HISTORY -- AND  LAUNCHED A SALES
ORGANIZATION DEVOTED TO PRODUCTS FOR SPINE SURGERY."

TOTAL  REVENUES  FOR THE YEAR  ENDED  DECEMBER  31,  2006 WERE  $419.3  MILLION,
REFLECTING  AN INCREASE OF $141.4  MILLION,  OR 51%,  OVER 2005.  REVENUES  FROM
PRODUCTS  ACQUIRED IN 2006 WERE $98.1  MILLION FOR THE YEAR ENDED  DECEMBER  31,
2006.  THE COMPANY  REPORTED NET INCOME OF $29.4  MILLION,  OR $0.97 PER DILUTED
SHARE, FOR THE FULL YEAR 2006, COMPARED TO NET INCOME OF $37.2 MILLION, OR $1.15
PER DILUTED SHARE IN 2005.

INTEGRA  GENERATED  $20.9  MILLION IN CASH FLOWS FROM  OPERATIONS  IN THE FOURTH
QUARTER OF 2006 AND $71.7 MILLION IN ALL OF 2006.

"ONE OF OUR OBJECTIVES IS TO GROW OPERATING CASH FLOWS,  WHICH HAVE  ACCELERATED
SIGNIFICANTLY IN THE PAST YEAR," SAID MAUREEN B. BELLANTONI, INTEGRA'S EXECUTIVE
VICE PRESIDENT AND CHIEF FINANCIAL OFFICER. "DURING THE PAST FIVE YEARS, WE HAVE
GENERATED IN EXCESS OF 35% AVERAGE  ANNUAL GROWTH IN OUR  OPERATING  CASH FLOWS.
THIS HAS GREATLY IMPROVED OUR ACCESS TO DEBT CAPITAL, WHICH WE HAVE INCREASINGLY
USED TO SUPPORT OUR GROWTH."

IN ADDITION TO GAAP RESULTS,  INTEGRA  REPORTS  ADJUSTED NET INCOME AND ADJUSTED
DILUTED  EARNINGS PER SHARE. A FURTHER  DISCUSSION OF THESE  NON-GAAP  FINANCIAL
MEASURES CAN BE FOUND BELOW, AND





RECONCILIATIONS  OF GAAP NET INCOME TO  ADJUSTED  NET  INCOME  AND GAAP  DILUTED
EARNINGS PER SHARE TO ADJUSTED  DILUTED  EARNINGS PER SHARE FOR THE QUARTERS AND
YEARS  ENDED  DECEMBER  31,  2006 AND 2005  APPEAR IN THE  FINANCIAL  STATEMENTS
ATTACHED TO THIS RELEASE.

ADJUSTED  NET  INCOME  FOR  THE  FOURTH  QUARTER  OF  2006,  COMPUTED  WITH  THE
ADJUSTMENTS  TO GAAP  REPORTING  SET FORTH IN THE ATTACHED  RECONCILIATION,  WAS
$15.0  MILLION,  OR $0.50 PER  DILUTED  SHARE.  IN THE  FOURTH  QUARTER  OF 2005
ADJUSTED NET INCOME WAS $12.1 MILLION, OR $0.37 PER DILUTED SHARE.  ADJUSTED NET
INCOME WAS $52.5 MILLION, OR $1.67 PER DILUTED SHARE, FOR THE FULL YEAR 2006 AND
$42.1 MILLION, OR $1.29 PER DILUTED SHARE, FOR THE FULL YEAR 2005.

"2006 WAS A YEAR OF  SIGNIFICANT  PROGRESS FOR  INTEGRA,"  SAID MR.  ESSIG.  "IN
ADDITION TO OUR FOURTH QUARTER ACCOMPLISHMENTS,  WE ALSO INVESTED MORE THAN $220
MILLION TO ACQUIRE  STRATEGIC  PRODUCT  LINES FOR EACH OF OUR THREE  MAJOR SALES
CHANNELS,   REINVIGORATED  SALES  GROWTH  OF  EXISTING  PRODUCTS  AND  LAID  THE
FOUNDATION FOR FURTHER GROWTH BY LAUNCHING MORE THAN 20 PRODUCTS,  ADDING TO OUR
RICH PRODUCT PIPELINE."

INTEGRA LIFESCIENCES  PRESENTS ITS REVENUES IN TWO CATEGORIES:  A) NEUROSURGICAL
AND ORTHOPEDIC IMPLANTS AND B) MEDICAL SURGICAL EQUIPMENT.

THE COMPANY'S REVENUES FOR THE PERIODS WERE AS FOLLOWS:



                                                    Three Months                         Year
                                                 Ended December 31,               Ended December 31,
                                               2006           2005               2006           2005
                                               ----           ----               ----           ----
Revenue:                                                          ($ in thousands)
                                                                                   
Neurosurgical and Orthopedic Implants         $47,250         $35,365          $166,028        $134,583
Medical Surgical Equipment and other           78,144          37,620           253,269         143,352
                                             --------         -------        ----------    --  -------
    Total Revenue                            $125,394         $72,985          $419,297        $277,935


SALES OF OUR  EXTREMITY  RECONSTRUCTION  IMPLANTS  AND BONE GROWTH  PRODUCTS LED
REVENUE GROWTH IN THE NEUROSURGICAL AND ORTHOPEDIC IMPLANTS CATEGORY. HIGHLIGHTS
IN THIS CATEGORY  INCLUDED THE  FOLLOWING:  INTEGRA(TM)  DERMAL  REPAIR  PRODUCT
REVENUES  INCREASED 28% OVER THE FOURTH  QUARTER OF 2005,  NERVE REPAIR  PRODUCT
REVENUES  INCREASED  BY 43% AND BONE GROWTH  PRODUCTS  INCREASED BY 39% OVER THE
FOURTH QUARTER OF 2005. SALES OF RECENTLY ACQUIRED  ORTHOPEDIC  IMPLANT PRODUCTS
CONTRIBUTED $2.4 MILLION TO THE INCREASE IN NEUROSURGICAL AND ORTHOPEDIC IMPLANT
SALES.

IN  THE  MEDICAL  SURGICAL  EQUIPMENT  CATEGORY,   ACQUIRED  PRODUCTS,  SURGICAL
INSTRUMENTS AND ULTRASONIC  SURGICAL SYSTEMS PROVIDED MOST OF THE YEAR-OVER-YEAR
GROWTH IN PRODUCT REVENUES FOR THE FOURTH QUARTER.  RADIONICS  PRODUCTS,  MILTEX
PRODUCTS  AND  PRODUCTS OF OTHER  COMPANIES  SOLD  THROUGH  OUR FORMER  CANADIAN
DISTRIBUTOR (ALL ACQUIRED IN 2006)  CONTRIBUTED $33.2 MILLION OF REVENUES DURING
THE QUARTER.

GROSS  MARGIN ON TOTAL  REVENUES  IN THE  FOURTH  QUARTER  OF 2006 WAS 59%.  THE
COMPANY'S COST OF PRODUCT REVENUES INCLUDED $0.6 MILLION IN INVENTORY FAIR VALUE
PURCHASE ACCOUNTING ADJUSTMENTS FROM RECENT ACQUISITIONS.  THESE CHARGES REDUCED
OUR GROSS MARGIN BY ONE HALF OF A PERCENTAGE POINT.

RESEARCH AND DEVELOPMENT EXPENSE INCREASED $2.5 MILLION IN THE FOURTH QUARTER OF
2006 TO $5.2 MILLION.  THE QUARTER'S  EXPENSE  INCLUDED $1.0 MILLION  ASSOCIATED
WITH THE RECENTLY  ACQUIRED  RADIONICS  AND KMI PRODUCT  LINES AND AN ADDITIONAL
$0.3 MILLION  IN-PROCESS  RESEARCH AND DEVELOPMENT CHARGE IN CONNECTION WITH THE
KMI ACQUISITION.  IN THE FOURTH QUARTER OF 2006, WE INITIATED THE PIVOTAL UNITED
STATES CLINICAL TRIAL FOR OUR DURAGEN PLUS(R)  ADHESION  BARRIER MATRIX PRODUCT.
IN 2006, WE INCREASED  RESEARCH AND  DEVELOPMENT  EXPENSES BY $13.8 MILLION,  OR
115%, OVER THE PRIOR YEAR. THE 2006 AMOUNT INCLUDES A $5.9 MILLION OF IN-PROCESS
RESEARCH AND  DEVELOPMENT  CHARGES  INCURRED IN THE THIRD AND FOURTH QUARTERS IN
CONNECTION WITH THE KMI ACQUISITION.






SELLING,  GENERAL AND ADMINISTRATIVE EXPENSE INCREASED BY $20.3 MILLION TO $45.9
MILLION IN THE FOURTH QUARTER OF 2006, OR 37% OF REVENUE,  AS COMPARED TO 35% IN
THE  FOURTH  QUARTER  OF  2005.   INCLUDED  IN  THIS  INCREASE  WAS  SHARE-BASED
COMPENSATION  EXPENSE OF $3.5  MILLION,  OR 3% OF REVENUE,  ATTRIBUTABLE  TO THE
IMPACT OF ADOPTING FAS 123R.

OPERATING  INCOME  FOR THE  FOURTH  QUARTER  OF 2006 WAS  $20.1  MILLION,  A 35%
INCREASE OVER THE PRIOR YEAR PERIOD.

WE REPORTED NET INTEREST EXPENSE OF $2.3 MILLION IN THE FOURTH QUARTER OF 2006.

OUR EFFECTIVE INCOME TAX RATE WAS 39.1% FOR 2006 AND 32.5% IN 2005. THE INCREASE
IN THE EFFECTIVE INCOME TAX RATE FOR 2006 WAS DRIVEN BY THE NONDEDUCTIBLE NATURE
OF THE $5.9 MILLION  IN-PROCESS  RESEARCH AND DEVELOPMENT CHARGE AND THE CHANGES
IN THE  GEOGRAPHIC  MIX OF TAXABLE  INCOME  ATTRIBUTABLE  TO  RECENTLY  ACQUIRED
BUSINESSES.   THE  $5.9  MILLION  IN-PROCESS  RESEARCH  AND  DEVELOPMENT  CHARGE
INCREASED OUR EFFECTIVE  INCOME TAX RATE FOR 2006 BY 4.2 PERCENTAGE  POINTS.  WE
EXPECT AN EFFECTIVE INCOME TAX RATE OF APPROXIMATELY 34% FOR 2007.

DURING THE FOURTH QUARTER OF 2006, WE  REPURCHASED  920,605 SHARES OF OUR COMMON
STOCK  FOR AN  AGGREGATE  PURCHASE  PRICE  OF $38.2  MILLION.  DURING  2006,  WE
REPURCHASED A TOTAL OF 1.8 MILLION SHARES OF OUR COMMON STOCK FOR $70.0 MILLION.
AS OF DECEMBER 31, 2006, THERE WAS $36.8 MILLION AVAILABLE FOR REPURCHASES UNDER
OUR EXISTING SHARE REPURCHASE  AUTHORIZATION,  WHICH WILL EXPIRE ON DECEMBER 31,
2007.

AT DECEMBER 31,  2006,  OUR CASH TOTALED  $22.7  MILLION AND WE HAD  OUTSTANDING
BORROWINGS OF $100.0  MILLION UNDER OUR CREDIT  FACILITY.  IN FEBRUARY  2007, WE
INCREASED THE BORROWING CAPACITY UNDER OUR CREDIT FACILITY TO $300 MILLION.

WE ARE UPDATING OUR  GUIDANCE FOR THE FULL YEAR 2007 AND  PROVIDING  OUR INITIAL
GUIDANCE FOR 2008. WE ARE ALSO PROVIDING  GUIDANCE FOR EACH QUARTERLY  PERIOD OF
2007. OUR ESTIMATES  ASSUME  FOREIGN  CURRENCY  EXCHANGE RATES REMAIN  UNCHANGED
THROUGHOUT  2007  AND  2008.  IN  ACCORDANCE   WITH  OUR  USUAL  PRACTICE,   OUR
EXPECTATIONS  FOR 2007 AND 2008 FINANCIAL  PERFORMANCE DO NOT INCLUDE THE IMPACT
OF  ACQUISITIONS  OR OTHER STRATEGIC  CORPORATE  TRANSACTIONS  THAT HAVE NOT YET
CLOSED.

OUR QUARTERLY AND FULL-YEAR REVENUE AND GAAP EARNINGS PER SHARE EXPECTATIONS ARE
AS FOLLOWS:

                                       Revenue             Earnings
                                      Guidance             Per Share
           Period                   (in millions)          Guidance
- ------------------------------     ----------------    ------------------
First Quarter 2007                   $117 - $120         $0.32 - $0.34
Second Quarter 2007                  $120 - $123         $0.34 - $0.36
Third Quarter 2007                   $129 - $132         $0.46 - $0.49
Fourth Quarter 2007                  $142 - $145         $0.58 - $0.61

2007                                 $508 - $520         $1.70 - $1.80

2008                                 $570 - $590         $2.05 - $2.25


ON A QUARTERLY BASIS, WE EXPECT TO INCUR  APPROXIMATELY  $3.7 MILLION,  OR $0.08
PER SHARE,  OF COMPENSATION  EXPENSE  ASSOCIATED WITH FAS 123R IN 2007 AND 2008.
THIS  NON-CASH  COMPENSATION  EXPENSE IS INCLUDED IN THE GAAP EARNINGS PER SHARE
GUIDANCE FOR 2007 AND 2008 PROVIDED ABOVE.

ALTHOUGH WE ARE NOT PROVIDING  ADJUSTED EARNINGS PER SHARE GUIDANCE FOR 2007 AND
2008, IN THE FUTURE WE MAY RECORD, OR EXPECT TO RECORD, CERTAIN REVENUES, GAINS,
EXPENSES   OR   CHARGES   (SUCH   AS   ACQUISITION-RELATED   CHARGES,   FACILITY
CONSOLIDATION,  MANUFACTURING  TRANSFER  AND  SYSTEM  INTEGRATION  CHARGES,  AND
CERTAIN  EMPLOYEE  TERMINATION  AND RELATED  COSTS) THAT WE WILL  EXCLUDE IN THE
CALCULATION  OF  ADJUSTED  EARNINGS  PER SHARE  FOR  HISTORICAL  PERIODS  OR FOR
PROVIDING ADJUSTED EARNINGS PER SHARE GUIDANCE.





WE HAVE SCHEDULED A CONFERENCE CALL FOR 9:00 AM EST TODAY, FEBRUARY 28, 2007, TO
DISCUSS THE FINANCIAL RESULTS FOR THE FOURTH QUARTER OF 2006 AND FORWARD-LOOKING
FINANCIAL GUIDANCE.  THE CALL IS OPEN TO ALL LISTENERS AND WILL BE FOLLOWED BY A
QUESTION  AND ANSWER  SESSION.  ACCESS TO THE LIVE CALL IS  AVAILABLE BY DIALING
(913)  312-1235  OR THROUGH A  LISTEN-ONLY  WEBCAST  VIA A LINK  PROVIDED ON THE
INVESTOR RELATIONS HOMEPAGE OF INTEGRA'S WEBSITE AT www.integra-ls.com. A REPLAY
OF THE CONFERENCE  CALL WILL BE ACCESSIBLE  STARTING ONE HOUR FOLLOWING THE LIVE
EVENT. ACCESS TO THE REPLAY IS AVAILABLE THROUGH MARCH 14, 2007 BY DIALING (719)
457-0820  (ACCESS CODE  4583668) OR THROUGH THE WEBCAST  ACCESSIBLE  ON OUR HOME
PAGE.

INTEGRA  LIFESCIENCES  HOLDINGS  CORPORATION,  A WORLD  LEADER  IN  REGENERATIVE
MEDICINE, IS DEDICATED TO IMPROVING THE QUALITY OF LIFE FOR PATIENTS THROUGH THE
DEVELOPMENT,  MANUFACTURING,  AND MARKETING OF COST-EFFECTIVE  SURGICAL IMPLANTS
AND MEDICAL INSTRUMENTS. OUR PRODUCTS, USED PRIMARILY IN NEUROSURGERY, EXTREMITY
RECONSTRUCTION,  ORTHOPEDICS AND GENERAL SURGERY,  ARE USED TO TREAT MILLIONS OF
PATIENTS EVERY YEAR. INTEGRA'S  HEADQUARTERS ARE IN PLAINSBORO,  NEW JERSEY, AND
WE HAVE RESEARCH AND MANUFACTURING FACILITIES THROUGHOUT THE WORLD. PLEASE VISIT
OUR WEBSITE AT (http://www.integra-ls.com).

THIS NEWS RELEASE CONTAINS FORWARD-LOOKING  STATEMENTS WITHIN THE MEANING OF THE
PRIVATE  SECURITIES  LITIGATION REFORM ACT OF 1995.  FORWARD-LOOKING  STATEMENTS
INCLUDE,  BUT  ARE  NOT  LIMITED  TO,  STATEMENTS  CONCERNING  FUTURE  FINANCIAL
PERFORMANCE,  INCLUDING PROJECTIONS FOR REVENUES, EFFECTIVE INCOME TAX RATE, AND
GAAP EARNINGS PER DILUTED SHARE,  AND THE NUMBER OF NEW PRODUCTS  EXPECTED TO BE
LAUNCHED  IN  2007.   SUCH   FORWARD-LOOKING   STATEMENTS   INVOLVE   RISKS  AND
UNCERTAINTIES  THAT  COULD  CAUSE  ACTUAL  RESULTS  TO  DIFFER  MATERIALLY  FROM
PREDICTED  OR  EXPECTED  RESULTS.  AMONG OTHER  THINGS,  OUR ABILITY TO MAINTAIN
RELATIONSHIPS  WITH CUSTOMERS OF ACQUIRED ENTITIES,  PHYSICIANS'  WILLINGNESS TO
ADOPT  OUR  RECENTLY   LAUNCHED  AND  PLANNED  PRODUCTS,   THIRD-PARTY   PAYORS'
WILLINGNESS TO PROVIDE REIMBURSEMENT FOR THESE PRODUCTS, INITIATIVES LAUNCHED BY
OUR  COMPETITORS,  OUR ABILITY TO SECURE  REGULATORY  APPROVAL  FOR  PRODUCTS IN
DEVELOPMENT AND OUR ABILITY TO COMPLY WITH NEWLY-ENACTED  REGULATIONS  REGARDING
PRODUCTS  CONTAINING  MATERIALS DERIVED FROM ANIMAL SOURCES MAY ADVERSELY AFFECT
OUR FUTURE PRODUCT REVENUES; THE GEOGRAPHIC MIX OF TAXABLE INCOME MAY AFFECT OUR
OVERALL EFFECTIVE INCOME TAX RATE; OUR ABILITY TO INTEGRATE ACQUIRED BUSINESSES,
INCREASE  PRODUCT SALES AND GROSS  MARGINS,  AND CONTROL  NON-PRODUCT  COSTS MAY
AFFECT OUR EARNINGS,  AND THE SUCCESS OF OUR PRODUCT DEVELOPMENT EFFORTS AND OUR
ABILITY TO SECURE REGULATORY APPROVAL FOR PRODUCTS IN DEVELOPMENT MAY AFFECT THE
NUMBER OF NEW PRODUCTS LAUNCHED IN 2007. IN ADDITION, THE ECONOMIC, COMPETITIVE,
GOVERNMENTAL,  TECHNOLOGICAL  AND OTHER  FACTORS  IDENTIFIED  UNDER THE  HEADING
"FACTORS  THAT MAY AFFECT  OUR  FUTURE  PERFORMANCE"  INCLUDED  IN THE  BUSINESS
SECTION OF INTEGRA'S  ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31,
2005 AND  INFORMATION  CONTAINED IN SUBSEQUENT  FILINGS WITH THE  SECURITIES AND
EXCHANGE COMMISSION COULD AFFECT ACTUAL RESULTS.

DISCUSSION OF ADJUSTED FINANCIAL MEASURES

ADJUSTED NET INCOME CONSISTS OF NET INCOME EXCLUDING  EQUITY-BASED  COMPENSATION
CHARGES,  ACQUISITION-RELATED  CHARGES,  CHARGES INCURRED IN CONNECTION WITH THE
EXCHANGE  OFFER OF  CONVERTIBLE  NOTES AND THE  TERMINATION OF THE INTEREST RATE
SWAP  AGREEMENT,  FACILITY  CONSOLIDATION,  MANUFACTURING  TRANSFER  AND  SYSTEM
INTEGRATION  CHARGES,  CERTAIN EMPLOYEE  TERMINATION AND RELATED COSTS,  CHARGES
ASSOCIATED WITH DISCONTINUED  PRODUCT LINES,  AND, ON A QUARTERLY BASIS,  INCOME
TAX EXPENSE  ADJUSTMENTS  RELATED TO SIGNIFICANT CHANGES IN THE EFFECTIVE INCOME
TAX RATE DURING THE YEAR.  ADJUSTED EARNINGS PER DILUTED SHARE ARE CALCULATED BY
DIVIDING  ADJUSTED NET INCOME FOR DILUTED EARNINGS PER SHARE BY ADJUSTED DILUTED
WEIGHTED  AVERAGE  SHARES  OUTSTANDING.  BECAUSE ALL  EQUITY-BASED  COMPENSATION
EXPENSE IS ADDED BACK IN THE CALCULATION OF ADJUSTED NET INCOME, THE CALCULATION
OF DILUTED  WEIGHTED  AVERAGE  SHARES  OUTSTANDING  IS  ADJUSTED  TO EXCLUDE THE
BENEFITS OF UNEARNED  EQUITY-BASED  COMPENSATION  COSTS  ATTRIBUTABLE  TO FUTURE
SERVICES AND NOT YET  RECOGNIZED IN THE  FINANCIAL  STATEMENTS.  THESE  UNEARNED
EQUITY-BASED  COMPENSATION  COSTS ARE TREATED AS PROCEEDS  ASSUMED TO BE USED TO
REPURCHASE  SHARES,  BASED ON THE AVERAGE  TRADING PRICE OF INTEGRA COMMON STOCK
DURING THE PERIOD REPORTED,  IN THE CALCULATION OF GAAP DILUTED WEIGHTED AVERAGE
SHARES OUTSTANDING.





INTEGRA  BELIEVES  THAT THE  PRESENTATION  OF ADJUSTED  NET INCOME AND  ADJUSTED
EARNINGS  PER DILUTED  SHARE  PROVIDES  IMPORTANT  SUPPLEMENTAL  INFORMATION  TO
MANAGEMENT AND INVESTORS  REGARDING NON-CASH EXPENSES AND FINANCIAL AND BUSINESS
TRENDS RELATING TO THE COMPANY'S  FINANCIAL CONDITION AND RESULTS OF OPERATIONS.
FOR FURTHER  INFORMATION  REGARDING  WHY INTEGRA  BELIEVES  THAT THESE  NON-GAAP
FINANCIAL MEASURES PROVIDE USEFUL INFORMATION TO INVESTORS,  THE SPECIFIC MANNER
IN WHICH MANAGEMENT USES THESE MEASURES,  AND SOME OF THE LIMITATIONS ASSOCIATED
WITH THE USE OF THESE MEASURES,  PLEASE REFER TO THE COMPANY'S CURRENT REPORT ON
FORM 8-K REGARDING  THIS EARNINGS  PRESS RELEASE FILED TODAY WITH THE SECURITIES
AND EXCHANGE  COMMISSION.  THIS  CURRENT  REPORT ON FORM 8-K IS AVAILABLE ON THE
SEC'S WEBSITE AT WWW.SEC.GOV OR ON OUR WEBSITE AT WWW.INTEGRA-LS.COM.





                    INTEGRA LIFESCIENCES HOLDINGS CORPORATION
                 CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                                   (UNAUDITED)



(In thousands, except per share amounts)
                                                              Three Months Ended                       Year Ended
                                                                 December 31,                         December 31,
                                                            2006              2005              2006               2005
                                                                                                      
TOTAL REVENUE                                              $125,395            $72,985          $419,297          $277,935

COSTS AND EXPENSES
Cost of product revenues                                     51,446             28,644           168,314           107,052
Research and development                                      5,214              2,705            25,732            11,960
Selling, general and administrative                          45,936             25,663           157,706            98,273
Intangible asset amortization                                 2,651              1,059             8,801             4,545
                                                       ---------------    --------------    --------------    ---------------

     Total costs and expenses                               105,247             58,071           360,553           221,830
                                                       ---------------    --------------    --------------    ---------------

Operating income                                             20,148             14,914            58,744            56,105

Interest income                                                 201              1,087             2,194             3,900
Interest expense                                             (2,503)            (1,071)          (10,620)           (4,165)
Other income (expense), net                                    (178)              (101)           (2,010)             (739)
                                                       ---------------    --------------    --------------    ---------------

Income before income taxes                                   17,668             14,829            48,308            55,101

Income tax expense                                            7,537              4,214            18,901            17,907
                                                       ---------------    --------------    --------------    ---------------

Net income                                                   10,131             10,615            29,407            37,194

Add back of after tax interest expense                            2                608             2,254             2,440
                                                       ---------------    --------------    --------------    ---------------

Net income for diluted earnings per share                  $ 10,133            $11,223          $ 31,661          $ 39,634

Diluted net income per share                               $   0.34            $  0.33          $   0.97          $   1.15

Weighted average common shares outstanding for
     diluted net income per share                            30,084             34,081            32,747            34,565
- -----------------------------------------------------------------------------------------------------------------------------







Listed below are the items  included in net income that  management  excludes in
computing the adjusted  financial measures referred to in the text of this press
release and further described under Discussion of Adjusted Financial Measures.



(In thousands)
                                                              Three Months Ended                       Year Ended
                                                                 December 31,                         December 31,
                                                       ---------------------------------    ---------------------------------
                                                            2006              2005              2006               2005
                                                       ---------------    --------------    --------------    ---------------
                                                                                                         
Equity-based compensation                                   $ 3,834                 --            14,116                --

Acquisition-related charges                                     903                 --            12,093               966

Facility consolidation, manufacturing transfer
     and system integration charges                              --              1,027               717             2,214

Employee termination and related costs                          693              1,120             1,114             3,988

Charges associated with convertible
     debt exchange offer                                         --                 --             1,879                --

Charges associated with termination of
     interest rate swap                                          --                 --             1,425                --

Charges associated with discontinued product lines               --                 --                --               478

Income tax expense (benefit) related to
     above adjustments                                       (1,767)              (710)           (8,256)           (2,714)

Quarterly adjustment to income tax expense
     related to significant changes in the
     year-to-date expected effective income
     tax rate (1)                                             1,246                 --                --                --



(1) The above $1,246 reduction to income tax expense during the fourth quarter
of 2006 was made to reflect what the income tax expense would have been ($8,057)
based upon a 34.9% effective income tax rate. The 34.9% effective income tax
rate for the fourth quarter of 2006 approximates the year-to-date (full year)
effective income tax rate that would have been reported after excluding the 4.2
percentage point impact of the $5.9 million in-process research and development
expense recorded in 2006.






                    INTEGRA LIFESCIENCES HOLDINGS CORPORATION
               RECONCILIATION OF NON-GAAP ADJUSTMENTS - HISTORICAL
                                   (UNAUDITED)



(In thousands, except per share amounts)
                                                              Three Months Ended                       Year Ended
                                                                 December 31,                         December 31,
                                                            2006              2005               2006              2005
                                                       ---------------    --------------     -------------     --------------
                                                                                                      
GAAP net income                                          $   10,131          $  10,615          $  29,407         $  37,194

Non-GAAP adjustments:
     Equity-based compensation                                3,834                 --             14,116                --

     Acquisition-related charges                                903                                12,093               966

     Facility consolidation, manufacturing transfer
          and system integration charges                         --              1,027                717             2,214

     Employee termination and related costs                     693              1,120              1,114             3,988

     Charges associated with convertible debt
          exchange offer                                         --                 --              1,879                --

     Charges associated with termination of interest
          rate swap                                              --                 --              1,425                --

     Charges associated with discontinued product
          lines                                                  --                 --                 --               478

     Income tax expense (benefit) related to above
          adjustments                                        (1,767)              (710)            (8,256)           (2,714)

       Quarterly adjustment to income tax expense
            related to significant changes in the
            year-to-date expected effective income
          tax rate (1)                                        1,246                 --                 --                --
                                                       ---------------    --------------     -------------     --------------

     Total of non-GAAP adjustments                            4,909              1,437             23,088             4,932
                                                       ---------------    --------------     -------------     --------------

Adjusted net income                                       $  15,040          $  12,052             52,495            42,126
Add back of after tax interest expense                            2                608              2,254             2,440
                                                       ---------------    --------------     -------------     --------------

Adjusted net income for diluted earnings per share        $  15,042          $  12,660             54,749            44,566
                                                       ===============    ==============     =============     ==============

Weighted average common shares
     outstanding for diluted net income per share            30,084             34,081             32,747            34,565
     Non-GAAP adjustment                                         86                 --                121                --
                                                       ---------------    --------------     -------------     --------------
Adjusted weighted average common shares
     outstanding for adjusted diluted net income
     per share                                               30,170             34,081             32,868            34,565
                                                       ===============    ==============     =============     ==============

GAAP diluted net income per share                           $  0.34            $  0.33            $  0.97           $  1.15
     Non-GAAP adjustments detailed
        above (per share)                                   $  0.16            $  0.04            $  0.70           $  0.14
                                                       ---------------    --------------     -------------     --------------
Adjusted diluted net income per share                       $  0.50            $  0.37            $  1.67           $  1.29
                                                       ===============    ==============     =============     ==============






(1) The above $1,246 reduction to income tax expense during the fourth quarter
of 2006 was made to reflect what the income tax expense would have been ($8,057)
based upon a 34.9% effective income tax rate. The 34.9% effective income tax
rate for the fourth quarter of 2006 approximates the year-to-date (full year)
effective income tax rate that would have been reported after excluding the 4.2
percentage point impact of the $5.9 million in-process research and development
expense recorded in 2006.


Condensed Balance Sheet Data (in thousands):

                                                December 31,        December 31,
                                                    2006                2005
                                                    -----               ----
 Cash and marketable securities,
    including non-current portion                  $ 22,697            $143,384
 Accounts receivable, net                            85,018              49,007
 Inventory, net                                      94,387              67,476


 Bank line of credit                                100,000                  --
 Demand notes (1)                                   119,542                  --

 Long term debt (1)                                     508             118,378

 Stockholders' equity                               293,124             289,818


(1)    The closing  price of Integra's  common stock on the issuance date of the
       new convertible  notes,  which would be settled on a net share settlement
       basis upon  conversion,  was higher than the market price  trigger of the
       new notes.  Therefore,  the new notes are considered  demand debt and are
       classified  as current  liabilities  on the  balance  sheet  because  the
       holders have the option to convert the new notes at any time.



SOURCE: INTEGRA LIFESCIENCES HOLDINGS CORPORATION