Modification of Subcontract with an effective date of December 20, 2017 between Sparton DeLeon Springs, LLC and ERAPSCO

CERTAIN PORTIONS OF THESE MATERIALS HAVE BEEN OMITTED BASED ON A REQUEST FOR CONFIDENTIAL TREATMENT SUBMITTED TO THE U.S. SECURITIES AND EXCHANGE COMMISSION (THE “SEC”). THE NON-PUBLIC INFORMATION HAS BEEN OMITTED AND HAS BEEN SEPARATELY FILED WITH THE SEC. EACH REDACTED PORTION OF THE AGREEMENT IS INDICATED BY A “[ ]” AND IS SUBJECT TO THE REQUEST FOR CONFIDENTIAL TREATMENT SUBMITTED TO THE SEC. THE REDACTED INFORMATION IS CONFIDENTIAL INFORMATION OF SPARTON CORPORATION.

Sparton DeLeon Springs, LLC.

ERAPS017-389

Initial

NA

US Navy-NAVAIR

N00421-14-D-0025 DO N0001918F6006

62F

69%

31%

This subcontract is entered into by and between ERAPSCO (“ERAPSCO” or “Buyer”), a general partnership comprised of Sparton DeLeon Springs, LLC. and UnderSea Sensor Systems Inc. (“USSI” or “Seller”), with offices located at 4868 East Park 30 Drive, Columbia City, Indiana 46725 and Sparton DeLeon Springs, LLC., 5612 Johnson Lake Road, DeLeon Springs, Florida 32130 (“Sparton” or “Seller”). As such, ERAPSCO provides authorization for the Seller to perform requirements identified in the attached customer contract and as summarized herein.

By:

By:

Name

Name

Title:

Title:

Date

Date

CERTAIN PORTIONS OF THESE MATERIALS HAVE BEEN OMITTED BASED ON A REQUEST FOR CONFIDENTIAL TREATMENT SUBMITTED TO THE U.S. SECURITIES AND EXCHANGE COMMISSION (THE “SEC”). THE NON-PUBLIC INFORMATION HAS BEEN OMITTED AND HAS BEEN SEPARATELY FILED WITH THE SEC. EACH REDACTED PORTION OF THE AGREEMENT IS INDICATED BY A “[ ]” AND IS SUBJECT TO THE REQUEST FOR CONFIDENTIAL TREATMENT SUBMITTED TO THE SEC. THE REDACTED INFORMATION IS CONFIDENTIAL INFORMATION OF SPARTON CORPORATION.

Customer Name:

US Navy Navair

Technical Contact:

Tim Perry

Contract Contact:

Adam Caudle

Phone:

812 ###-###-#### 209

Phone:

307 ###-###-####

Email:

Email:

Bid Number:

FY18

End User:

Contract Type:

Period of Performance:

Shipping Terms:

FOB Origin

Freight Forwarder:

N/A

Payment Terms:

Net 30

Export License Required:

NO

Product Description:

62F

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Price:

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CERTAIN PORTIONS OF THESE MATERIALS HAVE BEEN OMITTED BASED ON A REQUEST FOR CONFIDENTIAL TREATMENT SUBMITTED TO THE U.S. SECURITIES AND EXCHANGE COMMISSION (THE “SEC”). THE NON-PUBLIC INFORMATION HAS BEEN OMITTED AND HAS BEEN SEPARATELY FILED WITH THE SEC. EACH REDACTED PORTION OF THE AGREEMENT IS INDICATED BY A “[ ]” AND IS SUBJECT TO THE REQUEST FOR CONFIDENTIAL TREATMENT SUBMITTED TO THE SEC. THE REDACTED INFORMATION IS CONFIDENTIAL INFORMATION OF SPARTON CORPORATION.

Product Description:

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Price:

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See tracking sheet/contract for delivery details