Exhibit 10.1

AMENDMENT NO. 1 TO NOTE PURCHASE AGREEMENT

This Amendment No. 1 to Note Purchase Agreement (this “Amendment”) is dated as
of November 9, 2007 and amends that certain Note Purchase Agreement dated as of
November 6, 2007 (the “Purchase Agreement”), by and among The Providence Service
Corporation, a Delaware corporation (the “Company”), and the Purchasers, as
defined therein. Capitalized terms used herein and not otherwise defined shall
have the meanings assigned in the Purchase Agreement.

WHEREAS, the Company and the Purchasers have entered into the Purchase Agreement
for the purpose of the Company’s issuance and sale of the Notes.

WHEREAS, the Company and the Purchasers desire to amend the Purchase Agreement
as set forth herein.

NOW, THEREFORE, for good and valuable consideration, the sufficiency of which is
hereby acknowledged, the parties agree as follows.

1. Amendments to Purchase Agreement

1.1 Section 6.1(d) is hereby deleted in its entirety and replace with the
following:

“(d) [Reserved].”

1.2 Section 6.2(f) is hereby deleted in its entirety.

2. It is hereby agreed and acknowledged by the Company and the Purchasers that
the Escrow Agreement, in the form attached as Exhibit C to the Purchase
Agreement, will be modified as follows: (i) the Notes will not be deposited in
escrow; (ii) the Trustee shall act on behalf of, and for the benefit of, the
Purchasers; and (iii) the Purchasers will not be parties to the Escrow
Agreement.

3. The amendments to the Purchase Agreement shall be effective upon execution of
this Amendment.

4. Except as explicitly amended hereby, the Purchase Agreement shall remain in
full force and effect.

5. This Amendment may be executed in counterparts, each of which shall be deemed
an original, but all of which together shall constitute one and the same
instrument.

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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly
executed by their authorized officers as of the day and year first above
written.

 

The Providence Service Corporation By:   /s/ Fletcher J. McCusker   Name:  
Fletcher J. McCusker   Title:   Chairman and Chief Executive Officer

 

Aristeia International Limited By:   /s/ Chong Park   Name:   Chong Park  
Title:   Portfolio Manager, Direct Investments,    
    Aristeia Capital, L.L.C., its Investment Manager

 

Aristeia Partners, L.P. By:   /s/ Chong Park   Name:   Chong Park   Title:  
Portfolio Manager, Direct Investments,         Aristeia Capital, L.L.C.

 

Aristeia Special Investments Master, L.P. By:   /s/ Chong Park   Name:   Chong
Park   Title:   Portfolio Manager, Direct Investments,    
    Aristeia Capital, L.L.C., its Investment Manager

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CC Arbitrage Ltd. By:   /s/ Allan Weine   Name:   Allan Weine   Title:  
Managing Director

 

CQS Convertible and Quantitative Strategies Master Fund Limited By:   /s/ Alanna
Lee   Name:   Alanna Lee   Title:  

Authorised Signatory of CQS (UK) LLP
as Investment Advisor

 

Deutsche Bank AG, London Branch By:   /s/ Jeremy Benkiewicz   Name:   Jeremy
Benkiewicz   Title:   Managing Director

 

Deutsche Bank AG, London Branch By:   /s/ George Pan   Name:   George Pan  
Title:   Managing Director

 

Fore Convertible Master Fund Ltd. By:   Fore Research & Management, LP   By:  
/s/ Daniel Agranoff     Name:   Daniel Agranoff     Title:   Chief Financial
Officer

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GLG Market Neutral Fund By:   GLG Partners LP as Investment Manager of  
     GLG Market Neutral Fund   By:   /s/ Simon White     Name:   Simon White    
Title:   Chief Operating Officer           GLG Partners LP

 

Highbridge International LLC By:  
Highbridge Capital Management, LLC, as trading manager   By:   /s/ Noah
Greenhill     Name:   Noah Greenhill     Title:   Managing Director

 

Steelhead Investments Ltd. By:   HBK Services LLC, Investment Advisor   By:  
/s/ J. Baker Gentry, Jr.     Name:   J. Baker Gentry, Jr.     Title:  
Authorized Signatory

 

Radcliffe SPC, Ltd. for and on behalf of the Class A Segregated Portfolio By:  
RG Capital Management, L.P.   By:   RGC Management Company, LLC     By:   /s/
Gerald F. Stahlecker       Name:   Gerald F. Stahlecker       Title:   Managing
Director

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Kings Road Investments Ltd. By:   /s/ Erik Caspersen   Name:   Erik Caspersen  
Title:   Authorized Signatory