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EXHIBIT 10.1
 Execution Copy
 ASSET PURCHASE AGREEMENT
    VOCUS, INC.,
 VOCUS PRW HOLDINGS LLC,
 PRWEB INTERNATIONAL, INC.,
 PRWEB, LLC,
  THE SOLE STOCKHOLDER OF PRWEB INTERNATIONAL, INC.
AND SOLE OWNER OF PRWEB, LLC




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LIST OF EXHIBITS
 Exhibit A
    
    Assignment and Assumption AgreementExhibit B
    
    Bill of SaleExhibit C
    
    Intellectual Property AssignmentExhibit D-1
    
    Stockholder Employment AgreementExhibit D-2
    
    Baker Employment AgreementExhibit D-3
    
    Castle Employment AgreementExhibit E
    
    Escrow AgreementExhibit F
    
    Alder Street Lease
 i




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ASSET PURCHASE AGREEMENT
 Agreement Parent VPRW Buyer Company PRWLLC Seller Stockholder
 Business
    Definitions and Rules of Construction
 Rules of Construction.
 Article 1 Section 1.01




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include includes including without limitation or $ dollars days months
   hereof herein hereunder
    Definitions
 Affiliate control controlled by under
common control with
 - 2 -




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Alder Street Lease Exhibit F
 Balance Sheet
 Baker
 Baker Employment Agreement Exhibit D-2
 Balance Sheet Date
 " Castle 
 Castle Employment Agreement Exhibit D-3
 CERCLA
 Closing Date
 Code
 Collateral Agreements
 Confidential Information provided however
 Conflicting Services
 - 3 -




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Contracts
 Controlled Group
 Customer
 Customer Deposits
 Damages
 Environmental Laws
 Environmental Liabilities Schedule 3.18
 ERISA
 Escrow Agent
 - 4 -




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Escrow Agreement Exhibit E
 GAAP
 Governmental Authority
 Hazardous Substances
 Intellectual Property Right Marks
 Inventory
 - 5 -




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Knowledge of the Company
 Legal Requirements
 Letter of Intent
 Licensed Intellectual Property Rights
 Lien
 Main Street Lease
 Owned Intellectual Property Rights
 Permits
 Permitted Liens Schedule 3.13(a)
 Person
 - 6 -




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Properties
 Services
 Stockholder Employment Agreement Exhibit D-1
 Tax Taxes Tax Return
 Trade Secrets
 Used
  Term
    
    SectionAssignment and Assumption Agreement
    
    
    2.07Assumed Liabilities
    
    
    2.03Benefit Program or Agreement
    
    
    2.03Bill of Sale
    
    
    2.07Buyer Indemnitees
    
    
    8.02Cash Payment
    
    
    2.06
    (a)Closing
    
    
    2.07
 - 7 -




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Term
    
    SectionCOBRA
    
    
    3.22
    (i)Distribution Network
    
    
    2.07
    (a)Effective Time
    
    
    2.06
    (b)Escrow Amount
    
    
    2.07Excluded Assets
    
    
    2.02Excluded Contracts
    
    
    2.02Excluded Liabilities
    
    
    2.04Indemnified Party
    
    
    8.03Intellectual Property Assignment
    
    
    2.07Issued Stock
    
    
    4.04Leases
    
    
    3.13Marks
    
    
    1.01Non-Competition Period
    
    
    6.01Notice
    
    
    9.01Parent Shares
    
    
    2.06
    (a)Plan
    
    
    2.03Purchase Price
    
    
    2.06Purchased Assets
    
    
    2.01Receivables
    
    
    7.06Related Party
    
    
    3.24
    (a)Securities Act
    
    
    2.08
    (a)Seller Indemnitees
    
    
    8.02Transition Services
    
    
    7.07
    (a)Warranty Breach
    
    
    8.02
 Sale and Purchase of Assets
 Purchase and Sale. Purchased
Assets
   - 8 -




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Section 6.04
   Excluded Assets.
 - 9 -




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Excluded Assets
   Section 2.06(b)
 Schedule 2.02(d) Excluded Contracts
 Schedule 2.02(e)
      Assumed Liabilities. Assumed Liabilities Schedule 2.03 Schedule
2.03
 Excluded Liabilities. Excluded Liabilities
 - 10 -




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Schedule 2.03
  Schedule 3.12
  Assignment of Contracts and Rights.
 - 11 -




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Purchase Price.
 Purchase Price Cash Payment Parent Shares Escrow
Amount
 Effective Time Section 9.10(b)
 Schedule 2.06 Schedule 2.06
 - 12 -




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Closing.
 Article 5 Closing Article 5 rd
  Stockholder Parent
Shares
 Employee Parent Shares
 Exhibit A Assignment and Assumption
Agreement
 Exhibit B Bill of Sale
 Exhibit C Intellectual Property Assignment
   - 13 -




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Schedule 2.07
 Distribution Network
  Transferability; Registration; Legending of Parent Shares.
 Securities
Act Section 2.08(a)
   - 14 -




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Representations and Warranties of the Stockholder and the Company
  Corporate Existence and Qualification.
 Authority, Approval and Enforceability.
 Capitalization and Corporate Records.
  - 15 -




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No Stockholder Defaults or Consents. Schedule
3.04 No Seller Defaults or
Consents Schedule 3.05
     - 16 -




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No Proceedings
 Financial Statements Schedule 3.07
 Receivables. Schedule 3.08
 No Undisclosed Liabilities. Schedule 3.14(a) Schedule 3.09
 Absence of Certain Changes. Schedule 3.10
      - 17 -




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Compliance with Laws.
 Litigation. Schedule 3.12 Schedule 3.12
 Properties. Schedule 3.13(a)
 - 18 -




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Leases
 Schedule 3.13(b)
 Schedule 3.13(c)
  Contracts and Commitments. Schedule 3.14(a) Schedule 3.14(a) Schedule 3.14(a) Schedule 3.14(a)
 Schedule 3.14(b)
 Schedule 3.14(c)
 Schedule 3.14(d)
 Schedule 3.14(e)
 - 19 -




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Schedule 3.14(f)
 Insurance. Schedule 3.15 Schedule 3.15 Schedule 3.15
 Sufficiency of and Title to the Purchased Assets. Intellectual Property.
 Schedule 3.17(a) Schedule 3.17(a) Schedule 3.17(c) -20-
       Section
3.17(f) Schedule 3.17(g)
 -21-




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Equipment and Other Tangible Property. Schedule 3.18 Schedule 3.18
 Permits; Environmental Matters
 Schedule 3.19(a)
   Real Property
 -22-
        Company
  Absence of Certain Business Practices r
 Products, Services and Authorizations.
 Schedule 3.21(a)
 Schedule
3.21(b)
 -23-




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Schedule 3.21(a)
 Employee Benefit Matters
 Schedule 3.22(a)
 Plan
 Section
3.22(a)(i) Benefit Program or Agreement
  Schedule 3.22(c)
   -24-




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Schedule 3.22(d)
 Schedule 3.22(e)
   Schedule 3.22(h)
 COBRA
 Finders Fees Schedule 3.23
 Certain Business Relationships
 Schedule 3.24(a) Related Party Related Parties -25-
       Schedule
3.24(a)
 Schedule 3.24(b)
 Knowledge of Management
 Investment Representations
  Section 3.26
  -26-
         Section
3.26(g)
 Representations and Warranties of the Parent and VPRW
  Corporate Existence and Qualification.
  -27-
        Authority, Approval and Enforceability
 Issuance of the Parent Shares.
 Capitalization Issued Stock
 No Default or Consents.
   -28-
        No Proceedings
 Finders Fees.
 Conditions to the Parties Obligations
 Conditions to Obligations of the Company and the Stockholder.
       -29-




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Conditions to Obligations of the Parent and VPRW.
    -30-
           Schedule 3.22(g)
     Schedule 2.07
   Covenants of the Company and the Stockholder
 Non-Competition, Non-Solicitation and Non-Disclosure.
 -31-




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Non-Competition Period Section 6.04 Section 6.01
 provided, however, Section
6.01(iii)
 -32-
        Section 6.01(a) Section 6.01(a)
  Section 6.01 Section 6.01 Section 6.01 Article 6(a)(iii) -33-
       Notification to Customers.
 Publicity.
 Confidentiality.
 Access to Records.
 Use of Corporate Name and Trademarks.
 Covenants of the Parties
 Commercially Reasonable Efforts
 Further Assurances.
 -34-




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Employee Matters.
    Delivery of Property Received by the Company after Closing.
 -35-




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Parent Appointed Attorney for the Company
 Collection of Accounts Receivable Receivables
 Transition Services
 Schedule 7.07 Transition
Services Section 7.07
 -36-
        Section 7.07(c)
 Survival; Indemnification
 Survival. provided Sections 3.01 3.02 3.03 3.04 3.09 3.16 3.17 3.19 3.25 3.26, 4.01, 4.02 4.03 4.04 4.05
 Indemnification. Buyer Indemnitees Warranty Breach Section 8.02(a) Basket Amount
 -37-




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Sections 3.01 3.02 Section 8.02(a) Section 3.17
 Seller Indemnitees Section 8.02(b) Sections 4.01 4.02 4.03
 Section 8.02
 Procedures.
 Section 8.02 Indemnified Party Indemnifying Party Section 8.02 Third Party Claim provided,
however Section 8.01 -38-
          Section 8.03(a)
 Section 8.02(a)
 Miscellaneous
 Notices. Notice
 -39-




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if to the Parent or VPRW:
    
    Vocus, Inc.4296 Forbes BoulevardLanham, Maryland 20706Attn: Stephen A. VintzChief Financial OfficerFax: (301) 459-6092with a copy (which shall not constitute
notice) to:Greenberg Traurig, LLP1750 Tysons Boulevard, Suite 1200McLean, VA 22102Attn: Richard J. MelnickFax: (703) 714-8310if to the Seller and/or the
    
    6742 Family Hill LaneStockholder:
    
    Ferndale, WA 98248Attn: David McInnisFax:with a copy (which shall not constitute
notice) to:Parr Waddoups Brown Gee & Loveless185 South State Street, Suite 1300Salt Lake City, Utah 84111Attn: Scott Loveless
Fax: (801) 532-7750
  Governing Law.
 -40-




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WAIVER OF JURY TRIAL.
 Entire Agreement; Amendments and Waivers.
 Binding Effect and Assignment.
 Remedies. Section 8.02(c)
 Multiple Counterparts.
 -41-




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Survival.
 Attorneys Fees. Section 9.09
 Bulk Sales.
 Expenses Transfer
Expenses
 . Interpretation.
 Risk of Loss.
 -42-




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Severability.
 No Third Party Beneficiaries. Article 8
 [Remainder of page intentionally left blank]
 -43-




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IN WITNESS WHEREOF
 PARENT:
 Vocus, Inc., a Delaware corporationBy:
    /s/ Stephen VintzName:
    Stephen VintzTitle:
    Chief Financial Officer VPRW:
 Vocus PRW Holdings LLC, a Maryland limited liability companyBy:
    /s/ Stephen VintzName:
    Stephen VintzTitle:
    Chief Financial Officer of Vocus, Inc., its Sole Member COMPANY:
 PRWeb International, Inc., a Washington corporationBy:
    /s/ David McInnisName:
    David McInnisTitle:
    CEO PRWLLC:
 PRWeb, LLC, a Washington limited liability companyBy:
    /s/ David McInnisName:
    David McInnisTitle:
    Managing Member STOCKHOLDER:
 /s/ David McInnisDavid McInnis -44-