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|                     The      undersigned, being the president and the secretary of ACETO CORPORATION,      of hereby certify and set forth:                                                                                                                                                                                                                                                    |
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|                     (1)     The      name of the corporation is ACETO CORPORATION. The      name under which the corporation was formed is ACETO CHEMICAL CO.      INC.                                                                                                                                                                                               |
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|                     (2)     The      date the Certificate of Incorporation was filed by the Department of State      is the 13th day of June, 1947.                                                                                                                                                                                                                   |
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|                     (3)     The      Certificate of Incorporation is hereby amended by the addition of the      following provision fixing the number designation, relative rights,      preferences and limitations of Seventh Series Preferred Stock as fixed by      the board pursuant to authority vested in it by the Certificate of      Incorporation to wit: |
|   | A.     The      number of shares in said series is 40,000 shares of preferred stock, par      value $2.50 per share.                                                                                                                                                                                                                                                                                                                                                         |   |
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|   | B.     The      said series is designated Seventh Series Preferred Stock.                                                                                                                                                                                                                                                                                                                                                                                                    |   |
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|   | C.     The      holders of said Seventh Series Preferred Stock shall be entitled to      receive cumulative dividends, as and when declared by the Board of      Directors, out of the annual net profits of the Corporation at the rate of      9% per annum payable semi-annually on June 15th and December 15th of each      year before any dividends      shall be declared or paid upon or set apart for the common stock or any      other series of preferred stock. |   |

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|   | D.     In      any year after the said Seventh Series Preferred Stock, and the Sixth      Series Preferred Stock, and the Fifth Series Preferred Stock, and the      Fourth Series Preferred Stock, and the Third Series Preferred Stock, and      the Second Series Preferred Stock, and the First Series Preferred Stock      which is issued and outstanding has received its stipulated dividends an      any arrearages thereof that may be due and unpaid, the directors may elect      to make any further distributions of dividends to holders of the shares of      common stock.                                                                                                                                                                                                                                                                                                                                                                                                                                                               |   |
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|   | E.     In      case of any liquidation, dissolution, or winding up of the affairs of the      corporation, whether voluntary or involuntary, and after payment of all of      the debts of the corporation, the assets shall be distributed among the      holders of any series of preferred stock in accordance with the      preferences and limitations of the series and the reminder among the      holders of the common stock, share and share alike subject to the      limitation that, if the stated dividends and amounts payable on      liquidation are not paid in full, the shares of all series of the same      class shall share ratably in the payment of dividends including      accumulations, If any in accordance with the sums which would be payable      on such shares if all dividends were declared and paid in full, and in any      distribution of assets other than of way of dividends in accordance with      the same which would be payable on such distribution if all sums payable      were discharged in full. |   |
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|   | F.     The      holders of Seventh Series Preferred Stock shall have voting power and      shall entitle such holders to cast a number of votes which is equal to the      number of such holder’s shares shall have the right to participate in any      meeting of stockholders, shall be entitle to considered stockholders for      the purpose of any election, meeting, content, or waiver of notice under      the provisions of any law now in force or which may hereafter be enacted.      If there shall be an increase in the common stock of the corporation      through stock split stock attribution, stock dividend or the like      appropriate amendment shall be made in the number      of votes which the holders of Seventh Series Preferred Stock shall be      entitled to cast.                                                                                                                                                                                                                                           |   |

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|   | G.     Any      holders of Seventh Series Preferred Stock may at any time, subject as      hereinafter net forth with respect to the redemption of such stock,      convert all or any of the shares of such stock held by such holder into      the shares of common stock of the Corporation as hereinafter specified; by      the surrender to the Corporation for cancellation of the certificate or      certificates representing the preferred stock so to be converted, and upon      such surrender shall be entitled to receive therefor one or more      certificates for the number of shares of common stock which on said      conversion, as hereinafter specified, the Corporation shall be required to      issue. The basis for said conversion shall be at the rate of six (6)      shares of Seventh Series Preferred Stock for one (1) share of Common      stock, without any adjustments for current dividends. If there shall be      any change in stock of the Corporation through merger, consolidation,      reorganization, stock split, stock distribution, stock dividend or other      change in the corporate structure of the Corporation, appropriate      adjustment shall be made in the basis for conversion.                        |   |
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|   | H.     The      Corporation at its option may pursuant to Section 512 and 513 of the      Business Corporation Law, redeem the whole or any part of the Seventh      Series Preferred Stock outstanding at any time pro rata or by lot, by      paying therefor the sum of $2.50 per share, together with any accumulated      dividends due thereon on the date specified for redemption thereof by      mailing notices of such redemption to the holders of the Seventh Series      Preferred Stock to be redeemed. The notice of such redemption shall be      mailed not less than ninety (90) days prior to the date upon which the      stock is to be redeemed to each holder of stock so to be redeemed, at such      holder’s address as it appears on the books of the Corporation. On and      after the date fixed for such redemption, the holders of shares so called      for redemption shall cease to be entitled to any further dividends, and      the respective holders thereof shall have no right or interest      thereon or therein by reason of the ownership of such shares, except to      receive the said redemption price,      as a debt without interest upon presentation and surrender of their      certificates therefor. |   |

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|   |        /s/ Robert Parsont  |
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|   | Robert      Parsont, President  |
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|   |  /s/      Donald Horowitz  |
|   | Donald      Horowitz, Secretary |