**Exhibit99.2****EXECUTIONCOPY**AMENDMENT NO. 1Dated as of March 26, 2007toCREDIT AGREEMENTDated as of July 24, 2006          THIS AMENDMENT NO. 1 (“Amendment”) is made as of March 26, 2007 (the “EffectiveDate”) by and among Mylan Laboratories, Inc., a Pennsylvania corporation (the“Borrower”), the financial institutions listed on the signature pages hereof and JPMorganChase Bank, National Association, as Administrative Agent (the “Administrative Agent”),under that certain Credit Agreement dated as of July 24, 2006 by and among the Borrower, theLenders and the Administrative Agent (as amended, supplemented or otherwise modified from time totime, the “Credit Agreement”). Capitalized terms used herein and not otherwise definedherein shall have the respective meanings given to them in the Credit Agreement.          WHEREAS, the Borrower has requested that certain modifications be made to the CreditAgreement;          WHEREAS, the Borrower, the Lenders party hereto and the Administrative Agent have agreed toamend the Credit Agreement on the terms and conditions set forth herein;          NOW, THEREFORE, in consideration of the premises set forth above, the terms and conditionscontained herein, and other good and valuable consideration, the receipt and sufficiency of whichare hereby acknowledged, the Borrower, the Lenders party hereto and the Administrative Agent herebyagree to the following amendments to the Credit Agreement.          1. Amendments to Credit Agreement. Effective as of the Effective Date but subject tothe satisfaction of the conditions precedent set forth in Section 2 below, the CreditAgreement is hereby amended as follows:          (a) Section 1.01 of the Credit Agreement is hereby amended to delete “and” immediatelypreceding clause (ix) of the definition of “Consolidated EBITDA” set forth in such Section1.01 and substitute “,” in lieu thereof and insert a new clause (x) immediately followingclause (ix) as follows (and redesignating the existing clauses (x) and (xi) as “(xi)” and “(xii)”,respectively):          and (x) without duplication, income of any non-wholly owned Subsidiaries          (b) Section 1.01 of the Credit Agreement is hereby amended to delete the reference to“such amount of” immediately preceding the word “Dollars” in clause (ii) of the definition of“Dollar Amount” set forth in such Section 1.01.
 

 
          (c) Section 1.01 of the Credit Agreement is hereby amended to insert the following newdefinition in the appropriate alphabetical order:     “Material Acquisition” means any acquisition or investment for which theaggregate cash consideration paid or otherwise delivered in connection therewith (includingthe principal amount of any Indebtedness issued as deferred purchase price) plus theaggregate amount of transaction costs and expenses incurred in connection therewith plus theaggregate principal amount of all Indebtedness or other liabilities otherwise repaid,retired or otherwise satisfied, or incurred or assumed in connection with, or resultingfrom, such acquisition or investment (including Indebtedness of any acquired Personsoutstanding at the time of the applicable acquisition or investment) exceeds $300,000,000,all of the foregoing being subject to Schedule 1.01C.          (d) Section 1.01 of the Credit Agreement is hereby amended to delete the word “that”contained in the first line of the definition of “Permitted Acquisition” set forth in suchSection 1.01 substitute “so long as” in lieu thereof.          (e) Section 1.01 of the Credit Agreement is hereby amended to insert “(giving effect,if necessary, to the increase in the permitted maximum Consolidated Leverage Ratio in connectionwith a Material Acquisition set forth in Section 6.07(b) on the date of such Acquisition)”immediately following the reference to “covenants contained in Section 6.07” contained in thedefinition of “Permitted Acquisition” set forth in such Section 1.01.          (f) Section 1.01 of the Credit Agreement is hereby amended to restate the definitionsof “Senior Note Indenture” and “Senior Notes” in their entirety as follows:     “Senior Note Indenture” means any Indenture entered into by the Borrower andcertain of its Subsidiaries in connection with the issuance of any Senior Notes, togetherwith all instruments and other agreements entered into by the Borrower or such Subsidiariesin connection therewith, as the same may be amended, supplemented or otherwise modified fromtime to time.     “Senior Notes” means (i) the 5 3/4% senior unsecured notes due 2010 (the“2010 Notes”) and the 6 3/8% senior unsecured notes due 2015 of the Borrower issuedon July 21, 2005 pursuant to a Senior Note Indenture or any supplement thereto, and anynotes issued in exchange therefor pursuant to the exchange offer contemplated by theoffering memorandum, (ii) the 1.25% senior convertible notes of the Borrower due 2012 issuedon March 7, 2007 pursuant to a Senior Note Indenture or any supplement thereto and (iii) anyother unsecured debt securities which do not have a final maturity that is earlier than thefinal maturity of the 2010 Notes or a Weighted Average Life to Maturity that is shorter thanthe Weighted Average Life to Maturity of the 2010 Notes.          (g) Section 2.04 of the Credit Agreement is hereby amended to move the “(a)”designating the beginning of clause (a) therein to immediately precede the phrase “eachEurocurrency Borrowing” in the second line thereof.          (h) Section 2.04 of the Credit Agreement is hereby further amended to delete
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the reference to “last Business Day of each calendar month” therein and substitute “lastBusiness Day of each calendar quarter” in lieu thereof.          (i) Section 2.06(b) of the Credit Agreement is hereby amended to insert a new sentenceimmediately following the first sentence thereof as follows:     The Issuing Bank shall promptly notify the Administrative Agent of, and theAdministrative Agent shall in turn promptly furnish to the Lenders notice of, any suchissuance.          (j) Section 2.20 of the Credit Agreement is hereby amended to insert “(giving effect,if necessary, to the increase in the permitted maximum Consolidated Leverage Ratio in connectionwith a Material Acquisition set forth in Section 6.07(b) on the date of such Acquisition)”immediately following the reference to “(iii) the Borrower and its Subsidiaries shall be incompliance, calculated on a Pro Forma Basis” contained in such Section 2.20.          (k) Section 3.01 of the Credit Agreement is hereby amended to restate the thirdsentence thereof in its entirety as follows:     “All of the outstanding shares of capital stock and other equity interests, to theextent owned by the Borrower or any Subsidiary, of each Subsidiary are validly issued andoutstanding and fully paid and nonassessable and all such shares and other equity interestsindicated on Schedule 3.01 as owned by the Borrower or another Subsidiary are owned,beneficially and of record, by the Borrower or any Subsidiary free and clear of all Liens,other than Liens permitted by Section 6.02.”          (l) Section 5.01 of the Credit Agreement is hereby amended to insert to the followingimmediately after clause (h) thereof:     Financial statements and other information required to be delivered pursuant toSections 5.01(a), 5.01(b) and 5.01(f) shall be deemed to have been delivered if suchstatements and information shall have been posted by the Borrower on its website or shallhave been posted on Intralinks or similar site to which all of the Lenders have been grantedaccess.          (m) Section 5.06 of the Credit Agreement is amended to restate the first sentencethereof as follows:     The Borrower will, and will cause each of its Subsidiaries to, keep proper books ofrecord and account in which full, true and correct entries in conformity with GAAP, ifapplicable, or (in the case of a Subsidiary that is not a Domestic Subsidiary) other localaccounting standards, if applicable, and requirements of applicable law are made of alldealings and transactions in relation to its business and activities.          (n) Section 6.01(c) of the Credit Agreement is hereby amended to delete the referenceto “any Subsidiary this is not a Loan Party” therein and substitute “any Subsidiary that is not aLoan Party” in lieu thereof.
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          (o) Section 6.01(n) of the Credit Agreement is hereby amended to insert “(givingeffect, if necessary, to the increase in the permitted maximum Consolidated Leverage Ratio inconnection with a Material Acquisition set forth in Section 6.07(b) on the date of suchAcquisition)” immediately following the reference to “covenants set forth in Section 6.07”contained in such Section 6.01(n).          (p) Section 6.01 of the Credit Agreement is hereby amended to redesignate clause (q)as clause (r) and to insert a new clause (q) therein as follows:     (q) Indebtedness of Euro Mylan B.V. (or another European subsidiary of the Borrowerdesignated by the Borrower and reasonably acceptable to the Administrative Agent) under acertain credit and guarantee agreement, dated as of March 26, 2007, by and among theBorrower, Euro Mylan B.V., the lenders party thereto and JPMorgan Chase Bank, NationalAssociation as administrative agent thereunder, as amended, restated, supplemented andotherwise modified from time to time; and          (q) Section 6.01(r) of the Credit Agreement is hereby amended to insert “(givingeffect, if necessary, to the increase in the permitted maximum Consolidated Leverage Ratio inconnection with a Material Acquisition set forth in Section 6.07(b) on the date of suchAcquisition)” immediately following the reference to “the Borrower and the Subsidiaries are incompliance on a Pro Forma Basis” contained in such Section 6.01(r).          (r) Section 6.03(a) of the Credit Agreement is hereby amended to insert “(it beingunderstood and agreed that a Loan Party shall not be merged with, and shall not dispose all orsubstantially all of its Property to, a Person organized in a jurisdiction located outside of theUnited States of America)” at the end of clause (ii) thereof.          (s) Section 6.04 of the Credit Agreement is hereby amended to insert “(giving effect,if necessary, to the increase in the permitted maximum Consolidated Leverage Ratio in connectionwith a Material Acquisition set forth in Section 6.07(b) on the date of such Acquisition)”immediately following the reference to “the Borrower and the Subsidiaries are in compliance on aPro Forma Basis” contained in such Section 6.04.          (t) Section 6.07(b) of the Credit Agreement is hereby amended and restated in itsentirety as follows:     (b) Maximum Consolidated Leverage Ratio. The Borrower will not permit theConsolidated Leverage Ratio, determined as of the end of each of its fiscal quarters endingfor the period of four (4) consecutive fiscal quarters ending with the end of such fiscalquarter, to be greater than 3.5 to 1.0; provided that if the Borrower hasconsummated a Material Acquisition and at the end of the fiscal quarter in which suchMaterial Acquisition was consummated (such quarter, the “Trigger Quarter”) theConsolidated Leverage Ratio is (or, if calculated on a Pro Forma Basis, would be) greaterthan 3.5 to 1.0, then the Consolidated Leverage Ratio may be greater than 3.5 to 1.0 butless than or equal to 4.5 to 1.0 for the Trigger Quarter and for the seven (7) fiscalquarters immediately following the Trigger Quarter (such eight-quarter period, the “CovenantHoliday”); provided, further, that in the event the Borrower consummatesanother
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Material Acquisition during the Covenant Holiday, such subsequent Material Acquisitionwill not give rise to another Trigger Quarter and Covenant Holiday unless the Borrower’sConsolidated Leverage Ratio prior to such subsequent Material Acquisition shall have beenreduced back down to 3.5 to 1.0 or less for at least one fiscal quarter. Notwithstandinganything contained in this Section to the contrary, the Borrower will not permit theConsolidated Leverage Ratio to be greater than 4.0 to 1.0 for the final two (2) fiscalquarters prior to the Term Loan Maturity Date (as defined in that certain Credit andGuarantee Agreement dated as of March 26, 2007 among the Borrower, Euro Mylan B.V., thelenders from time to time party thereto and JPMorgan Chase Bank, National Association asadministrative agent, as such agreement may be amended, restated, or otherwise modified fromtime to time).          (u) A new Section 6.08 is hereby added to the Credit Agreement immediately followingthe existing Section 6.07, and such Section 6.08 shall read as follows:          SECTION 6.08. Restrictive Agreements. The Borrower will not, and will notpermit any of its Subsidiaries to, directly or indirectly, enter into, incur or permit toexist any agreement or other arrangement that prohibits, restricts or imposes any conditionupon (a) the ability of the Borrower or any Subsidiary to create, incur or permit to existany Lien upon any of its property or assets, or (b) the ability of any Subsidiary to paydividends or other distributions with respect to holders of its Equity Interests or to makeor repay loans or advances to the Borrower or any other Subsidiary or to GuaranteeIndebtedness of the Borrower or any other Subsidiary; provided that the foregoing shall notapply to (i) restrictions and conditions imposed by law or by this Agreement, (ii)restrictions and conditions existing on the date hereof (but shall apply to any extension orrenewal of, or any amendment or modification, in each case, which expands the scope of, anysuch restriction or condition), (iii) customary restrictions and conditions contained inagreements relating to the sale of a Subsidiary or any of its assets pending such sale,provided such restrictions and conditions apply only to the Subsidiary or assets that is tobe sold and such sale is not prohibited hereunder, (iv) customary restrictions andconditions contained in agreements relating to a Permitted Receivables Facility or the saleof a Subsidiary pending such sale, provided such restrictions and conditions apply only tothe Subsidiary that is to be sold and such sale is not prohibited hereunder, (v) agreementsbinding on a Subsidiary at the time such Subsidiary becomes a Subsidiary of the Borrower,(vi) restrictions set forth in Indebtedness of a Subsidiary that is not a SubsidiaryGuarantor which is permitted by this Agreement, (vii) agreements that are customaryprovisions in joint venture agreements and other similar agreements applicable to jointventures, (vii) restrictions or conditions imposed by any agreement relating to securedIndebtedness permitted by this Agreement if such restrictions or conditions apply only tothe property or assets securing such Indebtedness, (viii) customary provisions in leases,subleases, licenses, sublicenses or permits so long as such restrictions relate only to theproperty subject thereto, (ix) customary provisions in leases restricting the assignment orsubletting thereof, (x) customary provisions restricting assignment or transfer of anycontract entered into in the ordinary course of business or otherwise permitted hereunder,(xi) restrictions or conditions on Liens set forth in any Indebtedness permitted by thisAgreement but solely to the extent any such restrictions or conditions expressly permitLiens for the benefit of the Lenders with respect to credit facilities
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established under this Agreement and the Obligations under the Loan Documents, andother similar senior credit facilities and related obligations, in each case on a seniorbasis and (xii) restrictions or conditions set forth in that certain Credit and GuaranteeAgreement dated as of March 26, 2007 among the Borrower, Euro Mylan B.V., the lenders fromtime to time party thereto and JPMorgan Chase Bank, National Association as administrativeagent, as such agreement may be amended, restated, or otherwise modified from time to time.          (v) Schedules 1.01A, 2.03, 3.01, 3.06, 6.01,6.02 and 6.05 of the Credit Agreement are hereby amended and restated in itsentirety as set forth on Exhibit A hereto.          (w) A new Schedule 1.01C is hereby inserted into the Credit Agreement as set forth onExhibit B hereto.          2. Conditions of Effectiveness. The effectiveness of this Amendment is subject to theconditions precedent that the Administrative Agent shall have received (i) counterparts of thisAmendment duly executed by the Borrower, the Required Lenders and the Administrative Agent and (ii)counterparts of the Consent and Reaffirmation attached hereto as Exhibit C duly executed bythe Subsidiary Guarantors.          3. Representations and Warranties of the Borrower. The Borrower hereby represents andwarrants as follows:          (a) This Amendment and the Credit Agreement as amended hereby constitute legal, valid andbinding obligations of the Borrower and are enforceable against the Borrower in accordance withtheir terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other lawsaffecting creditors’ rights generally and subject to general principles of equity, regardless ofwhether considered in a proceeding in equity or at law.          (b) As of the date hereof and giving effect to the terms of this Amendment, (i) no Defaultshall have occurred and be continuing and (ii) the representations and warranties of the Borrowerset forth in the Credit Agreement, as amended hereby, are true and correct in all material respectsas of the date hereof, except where any such representation and warranty is expressly made as of aspecific earlier date, in which case such representation and warranty shall be true and correct inall material respects as of any such earlier date.          4. Reference to and Effect on the Credit Agreement.          (a) Upon the effectiveness hereof, each reference to the Credit Agreement in the CreditAgreement or any other Loan Document shall mean and be a reference to the Credit Agreement asamended hereby.          (b) Except as specifically amended above, the Credit Agreement and all other documents,instruments and agreements executed and/or delivered in connection therewith shall remain in fullforce and effect and are hereby ratified and confirmed.          (c) The execution, delivery and effectiveness of this Amendment shall not operate as a waiverof any right, power or remedy of the Administrative Agent or the Lenders,
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nor constitute a waiver of any provision of the Credit Agreement or any other documents,instruments and agreements executed and/or delivered in connection therewith.          5. Governing Law. This Amendment shall be construed in accordance with and governedby the law of the State of New York.          6. Headings. Section headings in this Amendment are included herein for convenienceof reference only and shall not constitute a part of this Amendment for any other purpose.          7. Counterparts. This Amendment may be executed by one or more of the parties heretoon any number of separate counterparts, and all of said counterparts taken together shall be deemedto constitute one and the same instrument.[Signature Pages Follow]
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          IN WITNESS WHEREOF, this Amendment has been duly executed as of the day and year first abovewritten.       MYLAN LABORATORIES, INC.,  as the Borrower       By: /s/ Edward Borkowski       Name: Edward Borkowski  Title: Chief Financial OfficerSignature Page to Amendment No. 1 to