Exhibit 10.1

AMENDMENT NO. 5 TO REAL PROPERTY

MASTER LEASE AGREEMENT

This Amendment No. 5 to Real Property Master Lease Agreement (Amendment) is effective May 1, 2009, supplements and amends the Real
Property Master Lease Agreement dated January 1, 1996 (Master Lease), and is made by and between The Swenson Family Limited Partnership, a California limited partnership, assignee of James I. Swenson and Susan G. Swenson, Trustees
of the Swenson Family Trust (Lessor), and Dynamic Details, Inc., a California corporation, formerly Details, Inc., (Lessee), with respect to the following:

RECITALS

A. The Master Lease has been previously amended by Amendment Number One to
Real Property Master Lease Agreement (Amendment Number One), effective January 1, 1997, Amendment No. 2 to Real Property Master Lease Agreement (Amendment No. 2), effective September 15, 2003, Amendment
No. 3 to Real Property Master Lease Agreement (Amendment No. 3), effective October 17, 2005, Amendment No. 4 to Real Property Master Lease Agreement (Amendment No. 4), effective September 1,
2008;

B. By Amendment No. 2 Lessor and Lessee terminated the Master Lease with respect to Parcels 1, 2, 7, and 13 subject to the
Master Lease;

C. Lessee has not exercised any Purchase Option, Extension Option, or First Refusal Right contained in Sections 6, 7, and 9
of the Master Lease, the term of the Master Lease, as amended by Amendment No. 4, expires by its terms September 30, 2009, and Lessor and Lessee have determined to extend the term of the Master Lease through September 30, 2012, in
accordance with this Amendment.

AGREEMENT

NOW, THEREFORE, in consideration of the mutual covenants and conditions herein, Lessor and Lessee agree as follows:

1. Term. Subject to the terms and provisions of this Amendment, the term of the Master Lease shall be extended for the period October 1, 2009 through September 30, 2012 (Master Lease Extended Term) with respect
to the following Parcels 3, 4, 5, 6, 8, 9, 10, 11, and 12 remaining subject to the Master Lease:



|        |  |                 |  |  |  |  |  | 
|------- |  | --------------- |  |  |  |  |  | 
|Parcel: |  | Address:        |  |  |  |  |  | 
|3       |  | 1270 Lance Lane |  |  |  |  |  | 
|4       |  | 1260 Lance Lane |  |  |  |  |  | 
|5       |  | 1240 Lance Lane |  |  |  |  |  | 



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|   |  |                      |  |  |  |  |  | 
|-- |  | -------------------- |  |  |  |  |  | 
|6  |  | 1220 Lance Lane      |  |  |  |  |  | 
|8  |  | 3021 East Coronado   |  |  |  |  |  | 
|9  |  | 1211 Simon Circle    |  |  |  |  |  | 
|10 |  | 1221 Simon Circle    |  |  |  |  |  | 
|11 |  | 1231 Simon Circle    |  |  |  |  |  | 
|12 |  | 1241/51 Simon Circle |  |  |  |  |  | 

2. Base Rent. Base Rent (defined in the Master Lease) is not subject to adjustment pursuant
to the Master Lease. Base Rent in the following amounts shall be paid monthly without adjustment on the first day of each calendar month for the Master Lease Extended Term set forth in this Amendment:



|                                   |  |                      |  | 
|---------------------------------- |  | -------------------- |  | 
|October 1, 2009-September 30, 2010 |  | $32,861.40 per month |  | 
|October 1, 2010-September 30, 2011 |  | $33,847.24 per month |  | 
|October 1, 2011-September 30, 2012 |  | $34,862.65 per month |  | 

3. Cooperation; Continuing Obligations. Lessor and Lessee agree to perform any further acts
and execute and deliver documents reasonably necessary to carry out the provisions of this Amendment. Except as modified by this Amendment, all covenants, conditions and agreements between Lessor and Lessee under the Master Lease, Amendment Number
One, Amendment No. 2, Amendment No. 3, and Amendment No. 4 shall continue in full force and effect. The provisions of the Master Lease as supplemented or modified by the within and each preceding amendment are ratified and adopted,
and any conflict in construing the Master Lease as so modified by the collective provisions of such amendments shall be resolved by the latest executed amendment.

4. Authority. Lessee has not heretofore assigned or otherwise transferred any right or interest in the Master Lease or any Parcel subject to the Master Lease, the individuals signing this Amendment on behalf of
Lessee have been duly authorized and the Amendment adopted by appropriate resolutions which are in full force and effect, and Lessee has full and complete authority to execute the within Amendment without any additional approval or consent.

5. Recitals Incorporation. The foregoing Recitals contained in this Amendment are incorporated into the parties agreements.

6. Counterparts. This Amendment may be executed in multiple counterparts, each of which shall be an original and all of which shall
be read together as one instrument.

[SIGNATURE PAGE FOLLOWS]



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IN WITNESS WHEREOF, Lessor and Lessee have executed this Amendment as of the date hereinabove written.



|     |  |                                             |  |  |  |      |  |                                                         
|---- |  | ------------------------------------------- |  |  |  | ---- |  | --------------------------------------------------------
|     |  | Lessor Swenson Family Limited Partnership |  |  |  |      |  | Lessee Dynamic Details, Inc., a
California Corporation
|     |  |                                             |  | 
|By:  |  | Swenson Family Trust                        |  |  |  |      |  |                                                         
|     |  |                                             |  | 
|     |  | /s/ James I. Swenson                        |  |  |  |      |  | /s/ Mikel Williams                                      
|     |  | James I. Swenson, Trustee                   |  |  |  |      |  | Mikel Williams                                          
|Its: |  | General Partner                             |  |  |  | Its: |  | President                                               
|     |  |                                             |  | 
|     |  | /s/ Susan G. Swenson                        |  |  |  |      |  | /s/ Kurt E. Scheuerman                                  
|     |  | Susan G. Swenson, Trustee                   |  |  |  |      |  | Kurt E. Scheuerman                                      
|Its: |  | General Partner                             |  |  |  | Its: |  | Vice President                                          



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