AIRCRAFT TIME SHARING AGREEMENT Effective as ofthe 1st day of January 2012, between Allegheny Technologies Incorporated as Time Share Lessor, and Richard J. Harshman as Time Share Lessee, * * * INSTRUCTIONS FOR COMPLIANCE WITH TRUTH IN LEASING REQUIREMENTS UNDER FAR 91.23 Within 24 hours after execution of this Agreement: mail a copy of the executed document to the following address via certified mail,return receipt requested: Federal Aviation Administration Aircraft Registration Branch ATTN: Technical Section P.O. Box 25724 Oklahoma City, Oklahoma 73125 At least 48 hours prior to the first flight of the Aircraft to be conducted under this Agreement: provide notice, using the FSDO Notification Letter in Exhibit A, of thedeparture airport and proposed time of departure of the first flight, by facsimile, to the Flight Standards District Office located nearest the departure airport. Carry a copy of this Agreement in the Aircraft at all times. * * *

Exhibit 10.34

AIRCRAFT TIME SHARING AGREEMENT

Effective as of the 1^st day of January 2012,

between

Allegheny Technologies Incorporated

as Time Share Lessor,

and

Richard J. Harshman

as Time Share Lessee,

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INSTRUCTIONS FOR COMPLIANCE WITH

“TRUTH IN LEASING” REQUIREMENTS UNDER FAR §91.23

Within 24 hours after execution of this Agreement:

mail a copy of the executed document to the

following address via certified mail, return receipt requested:

Federal Aviation Administration

Aircraft Registration Branch

ATTN: Technical Section

P.O. Box 25724

Oklahoma City, Oklahoma 73125

At least 48 hours prior to the first flight of the Aircraft to be conducted under this Agreement:

provide notice, using the FSDO Notification Letter in Exhibit A,

of the departure airport and proposed time of departure of the

first flight, by facsimile, to the Flight Standards

District Office located nearest the departure airport.

Carry a copy of this Agreement in the Aircraft at all times.

*  *  *

This AIRCRAFT TIME SHARING AGREEMENT (the “Agreement”) is made and effective as of the 1^st day of January 2012 (the “Effective Date”), by and between Allegheny Technologies Incorporated (“Time Share Lessor”), and Richard J. Harshman (“Time Share Lessee”).

W I T N E S S E T H :

WHEREAS, Time Share Lessee desires to lease the Aircraft (as defined below) with a flight crew on a non-exclusive basis from Time Share Lessor on a time sharing basis as defined in Section 91.501(c)(1) of the FAR;

WHEREAS, Time Share Lessor is willing to lease the Aircraft, with a flight crew, on a non-exclusive basis, to Time Share Lessee on a time sharing basis; and

WHEREAS, during the Term of this Agreement, the Aircraft will be subject to use by Time Share Lessor and may be subject to use by one or more other third-parties.

NOW, THEREFORE, in consideration of the mutual promises herein contained and other good and valid consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows:

“Aircraft” means the Aircraft fractionally owned or leased by Time Share Lessor from time to time, including:

“Aircraft Documents” means all flight records, maintenance records, historical records, modification records, overhaul records, manuals, logbooks, authorizations, drawings and data relating to any specific Airframe, any specific Engine, or any Part associated with any specific Airframe or Engine, or that are required by Applicable Law to be created or maintained with respect to the maintenance and/or operation of any specific Aircraft.

“Applicable Law” means, without limitation, all applicable laws, treaties, international agreements, decisions and orders of any court, arbitration or governmental agency or authority and rules, regulations, orders, directives, licenses and permits of any governmental body, instrumentality, agency or authority, including, without limitation, the FAR and 49 U.S.C. § 41101, et seq., as amended.

“Business Day” means any day of the year during which Time Share Lessor’s headquarters offices in the Commonwealth of Pennsylvania are open for business.

“DOT” means the United States Department of Transportation or any successor agency.

“FAA” means the Federal Aviation Administration or any successor agency.

“FAR” means collectively the Aeronautics Regulations of the FAA and the DOT, as codified at Title 14, Parts 1 to 399 of the United States Code of Federal Regulations.

“Operating Base” means Greater Pittsburgh International Airport, Business Operation Center, in Findlay Township, Pennsylvania.

“Operational Control” has the same meaning given the term in Section 1.1 of the FAR.

“Parts” means all appliances, components, parts, instruments, appurtenances, accessories, furnishings or other equipment of whatever nature (other than complete engines or engines) which may from time to time be incorporated or installed in or attached to any airframe or any Engine and includes replacement parts.

“Pilot in Command” has the same meaning given the term in Section 1.1 of the FAR.

“Schedule Keeper” means the person designated by the Time Share Lessor to maintain the scheduling log of the Aircraft. The name, address, telephone number, and other contact information for the Schedule Keeper are set forth in Section 27.

“Taxes” means commercial air transportation excise taxes pursuant to Section 4261 of the Internal Revenue Code of 1986, as amended, regardless of whether any flight is considered “noncommercial” under the FAR. For the avoidance of doubt, “Taxes” does not include federal, state or local excise or other taxes on fuel or operation of the Aircraft.

“Term” means the entire period from the Effective Date to the date this Agreement is terminated pursuant to Section 3.

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WITHIN THE TWELVE (12) MONTH PERIOD PRECEDING THE DATE OF THIS AGREEMENT, THE AIRCRAFT HAS BEEN INSPECTED AND MAINTAINED IN ACCORDANCE WITH THE PROVISIONS OF FAR 91.409.

THE PARTIES HERETO CERTIFY THAT DURING THE TERM OF THIS AGREEMENT AND FOR OPERATIONS CONDUCTED HEREUNDER, THE AIRCRAFT WILL BE MAINTAINED AND INSPECTED IN ACCORDANCE WITH THE PROVISIONS OF FAR 91.409.

TIME SHARE LESSOR ACKNOWLEDGES THAT WHEN IT OPERATES THE AIRCRAFT ON BEHALF OF TIME SHARE LESSEE UNDER THIS AGREEMENT, TIME SHARE LESSOR SHALL BE KNOWN AS, CONSIDERED, AND IN FACT WILL BE THE OPERATOR OF SUCH AIRCRAFT. EACH PARTY HERETO CERTIFIES THAT IT UNDERSTANDS THE EXTENT OF ITS RESPONSIBILITIES SET FORTH HEREIN FOR COMPLIANCE WITH APPLICABLE FEDERAL AVIATION REGULATIONS.

AN EXPLANATION OF FACTORS BEARING ON OPERATIONAL CONTROL AND PERTINENT FEDERAL AVIATION REGULATIONS CAN BE OBTAINED FROM THE NEAREST FEDERAL AVIATION ADMINISTRATION FLIGHT STANDARDS DISTRICT OFFICE.

THE PARTIES HERETO CERTIFY THAT A TRUE COPY OF THIS AGREEMENT SHALL BE CARRIED ON THE AIRCRAFT AT ALL TIMES, AND SHALL BE MADE AVAILABLE FOR INSPECTION UPON REQUEST BY AN APPROPRIATELY CONSTITUTED IDENTIFIED REPRESENTATIVE OF THE ADMINISTRATOR OF THE FAA.

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IN WITNESS WHEREOF, the parties have executed this Aircraft Time Sharing Agreement effective as of the date and year first written above.

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EXHIBIT A

FSDO Notification Letter

December 30, 2011

Via Facsimile

Fax: (412)  ###-###-####

Federal Aviation Administration

Flight Standards District Office

101 Towne Square Way

Suite 201

Pittsburgh, PA 15227

To whom it may concern:

Pursuant to the requirements of Federal Aviation Regulation Section 91.23(c)(3), please accept this letter as notification that Richard J. Harshman is being furnished the above referenced aircraft under an Aircraft Time Sharing Agreement dated as of January 1, 2012, and that the first flight under such Aircraft Time Sharing Agreement will depart from Pittsburgh International on the 2^nd day of January, 2012, at approximately 9:00 a.m. local time.

Should you require any additional information, please contact me at ###-###-####.

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