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Exhibit 10.15    
    

Description of Compensation and Benefits for UAL Corporation Directors  

        Cash Compensation of Non-employee Directors.    Effective upon the Company's emergence from bankruptcy,
non-employee directors receive a $20,000 annual retainer, $1,000 per meeting attended, and $5,000 per year for chairing certain Board committees; provided, however, that each of the Chairs
of the Audit Committee and the Lead Director receive $10,000 per year. 

        Flight Benefits for Directors.    Generally, directors, their spouses and their dependent children are entitled to complimentary
positive space travel on United Airlines and United Express for pleasure or UAL business travel, and will be reimbursed annually for the income tax liability incurred in using this privilege. 

        Complimentary Cargo Carriage Policy for Directors.    After one year of service on the Board or, for employee directors, at
least one year of employment with the Company, directors receive complimentary cargo carriage (excluding ground transportation) for personal goods on United Airlines, for up to 2,500 pounds per
year, and are reimbursed for the related income tax liability. 

        Stock Based Compensation of Non-employee Directors.    Under the UAL Corporation 2006 Director Equity Incentive
Plan, non-employee directors may receive awards in the form of UAL common stock, restricted stock, stock options, stock appreciation rights and/or deferred stock units representing the
right to receive UAL stock in the future. In addition, the Plan permits non-employee directors to elect, for tax purposes, to defer receipt of compensation through deferred stock units
representing the right to receive UAL stock in the future. 

        Directors' and Officers' Liability Insurance and Indemnification.    The Company has a policy which provides liability insurance
for directors and officers of UAL and its subsidiaries. The Company also provides indemnification for directors as set forth in the Restated Certificate of Incorporation of UAL Corporation. 

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Exhibit 10.2.4    
    

FORM OF INVESTMENT MANAGEMENT AGREEMENT  

        WHITE MOUNTAINS ADVISORS LLC, a Delaware limited liability company (the
"Advisor"), having an address at 2614 Boston Post Road, Suite 34A, Guilford, Connecticut 06437, and [        ], a
[        ] company (the "Client"), having an address at [        ], hereby enter into this
Investment Management Agreement, dated as of [        ] (this "Agreement"), and hereby agree that the Advisor shall act as
discretionary adviser with respect to the assets of the Client described below (the "Investment Account") on the following terms and conditions: 

        1.    Investment Account.    The Investment Account shall consist of cash and the securities of the Client. 

        2.    Services of Advisor.    By execution of this Agreement the Advisor accepts appointment as adviser for the
Investment Account with full discretion and agrees to supervise and direct the investments of the Investment Account in accordance with the investment objectives, policies and restrictions described
in the investment guidelines to be furnished by the Client to the Advisor from time to time (the "Investment Guidelines"). The Investment Guidelines are
for the stated purpose of assisting the Advisor in the performance of its investment duties. The Advisor will manage the Investment Account in accordance with such Investment Guidelines as provided to
the Advisor from time to time. In addition, the Advisor agrees to provide treasury management advisory services specific to the Investment Account ("Treasury Management Services"), as directed by the
Client. The Treasury Management Services include, without limitation, (i) executing investment transactions to support short-term treasury cash requirements, (ii) settling
inter-company and dividend treasury transactions with cash and securities, (iii) settling quarterly tax liability payments from the Investment Account, (iv) providing preliminary
valuation for securities supporting treasury transactions, (v) assisting the Client in evaluating securities lending programs administered by custodians designated by the Client and acceptable
to the Advisor, and (vi) collaborating with the Client to provide treasury transaction support to custodians and accounting servicing providers designated by the Client and acceptable to the
Advisor. 

        3.    Discretionary Authority.    Advisor shall have full discretion and authority, without obtaining any prior
approval, as the Client's agent and attorney-in-fact: (a) to make all investment decisions in respect of the Investment Account on the Client's behalf and at the
Client's sole risk; (b) to buy, sell, exchange, convert, liquidate or otherwise trade in any stock, bond and other securities in respect of the Investment Account; (c) to place orders
with respect to, and to arrange for, any of the foregoing; and (d) in furtherance of the foregoing, to do anything which the Advisor shall deem requisite, appropriate or advisable in connection
therewith, including, without limitation, the selection of such brokers, dealers, and others as the Advisor shall determine in its absolute discretion. 

        4.    Liability.    In the performance of its services, the Advisor will not be liable for any error in judgment or
any acts or failures to act except those resulting from the Advisor's gross negligence, willful misconduct or malfeasance. Nothing herein shall in any way constitute a waiver or limitation of any
right of any person under the federal securities laws. The Advisor shall have no responsibility whatsoever for the management of any assets of the Client other than the Investment Account. 

        5.    Custody.    The assets of the Investment Account shall be held in one or more separately identified accounts in
the custody of one or more banks, trust companies, brokerage firms or other entities designated by the Client and acceptable to the Advisor. The Advisor will communicate its investment purchase, sale
and delivery instructions directly with the Client's custodian or other qualified depository. The Client shall be responsible for all custodial arrangements and the payment of all 

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custodial
charges and fees, and the Advisor shall have no responsibility or liability with respect to custody arrangements or the acts, omissions or other conduct of the custodians. 

        6.    Brokerage.    When placing orders for the execution of transactions for the Investment Account, the Advisor may
allocate all transactions to such brokers or dealers, for execution on such markets, at such prices and commission rates, as are selected by the Advisor in its sole discretion. In selecting brokers or
dealers to execute transactions, the Advisor need not solicit competitive bids and does not have an obligation to seek the lowest available commission cost. It is not the Advisor's practice to
negotiate "execution only" commission rates, and, in negotiating commission rates, the Advisor shall take into account the financial stability and reputation of brokerage firms and brokerage and
research services provided by such brokers. The Client may be deemed to be paying for research provided or paid for by the broker which is included in the commission rate although the Client may not,
in any particular instance, be the direct or indirect beneficiary of the research services provided. Research furnished by brokers may include, but is not limited to, written information and analyses
concerning specific securities, companies or sectors; market, finance and economic studies and forecasts; financial publications; statistics and pricing services; discussions with research personnel;
and software and data bases utilized in the investment management process. The Client acknowledges that since commission rates are generally negotiable, selecting brokers on the basis of
considerations which are not limited to applicable commission rates may at times result in higher transaction costs than would otherwise be obtainable. The Advisor is hereby authorized to, and the
Client acknowledges that the Advisor may, aggregate orders on behalf of the Investment Account with orders on behalf of other clients of the Advisor. In such event, allocation of the securities
purchased or sold, as well as expenses incurred in
the transaction, shall be made in a manner which the Advisor considers to be the most fair and equitable to all of its clients, including the Client. 

        7.    Representations and Warranties.    

        a)    The
Client represents, warrants and agrees that: 

	(i)
	it
has full legal power and authority to enter into this Agreement;

	(ii)
	the
appointment of the Advisor hereunder is permitted by the Client's governing documents and has been duly authorized by all necessary corporate or other action; and

	(iii)
	it
will indemnify the Advisor and hold it harmless against any and all losses, costs, claims and liabilities which the Advisor may suffer or incur arising out of any
material breach of these representations and warranties of the Client. 

        b)    The
Advisor represents, warrants and agrees that: 

	(i)
	it
has full legal power and authority to enter into this Agreement;

	(ii)
	it
is registered as an investment adviser with the Securities and Exchange Commission pursuant to the Investment Advisers Act of 1940, as amended (the "Advisers Act");

	(iii)
	entering
into this Agreement has been duly authorized by all necessary corporate or other action under the Advisor's governing document; and

	(iv)
	it
will indemnify the Client and hold it harmless against any and all losses, costs, claims and liabilities which the Client may suffer or incur arising out of any
material breach of any representations and warranties of the Advisor. 

        8.    Reports.    The Advisor shall provide the Client with reports containing the status of the Investment Account at
least monthly, and will provide written advisory report letters to the Client on a quarterly basis. The Advisor shall also provide the Client with preliminary valuation of the Investment 

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Account
on a monthly basis. The preliminary valuation will be determined in accordance with the Advisor's valuation policies and procedures, a copy of which shall be provided to the Client as least
annually. All records maintained pursuant to this Agreement shall be subject to examination by the Client and by persons authorized by it, or by appropriate governmental authorities, at all times upon
reasonable notice. The Advisor shall provide copies of trade tickets, custodial reports and other records the Client reasonably requires for accounting or tax purposes. 

        9.    Management Fee, Treasury Management Fee and Expenses.    

        (a)   The
Advisor will be paid a quarterly management and treasury management fee (the "Management Fee") for its investment
advisory and treasury management services provided hereunder, determined in accordance with Schedule A to this Agreement. During the term of this
Agreement, the Management Fee shall be billed and payable in arrears on a quarterly basis within 10 days after the last day of each calendar quarter based upon the value of the Investment
Account as of the last day of the immediately preceding calendar quarter. The Management Fee shall be pro-rated for any partial quarter. Capital inflows and outflows result in an
adjustment to the value of assets under management that serves as the base of the Management Fee. This adjustment has the effect of time-weighting capital flows in the account resulting in
the Management Fee being properly charged for only the period of time such assets are actually managed by the Advisor. It is understood that, in the event that the Management Fee is to be paid by the
custodian out of the Investment Account, the Client will provide written authorization to the custodian to pay the Management Fee directly from the Investment Account. 

        (b)   The
Client shall be responsible for all expenses incurred directly in connection with transactions effected on behalf of the Client pursuant to this Agreement and shall
include: custodial fees; PAM accounting service fees, Charles River compliance service fees, investment expenses such as commissions; and other expenses reasonably related to the purchase, sale or
transmittal of Investment Account assets (other than research fees and expenses with respect to the Investment Account). 

        10.    Confidential Relationship.    All information and advice furnished by either party to the other party pursuant
to this Agreement shall be treated by the receiving party as confidential and shall not be disclosed to third parties except as required by law. 

        11.    Assignment.    This agreement may not be assigned (within the meaning of the Advisers Act) by either party
without the written consent of the other party, and any assignment without such consent shall automatically cause the termination hereof. 

        12.    Directions to the Advisor.    All directions by or on behalf of the Client to the Advisor shall be in writing
signed by or on behalf of the Client. The Advisor shall be fully protected in relying upon any such writing which the Advisor believes to be genuine and signed or presented by the proper person or
persons, shall be under no duty to make any investigation or inquiry as to any statement contained therein and may accept the same as conclusive evidence of the truth and accuracy of the statements
therein contained. 

        13.    Services to Other Clients.    It is understood that the Advisor acts as investment adviser to other clients and
may give advice and take action with respect to such clients that differs from the advice given or the action taken with respect to the Investment Account. Nothing in this Agreement shall restrict the
right of the Advisor, its members, managers, officers, employees or affiliates to perform investment management or advisory services for any other person or entity, and the performance of such service
for others shall not be deemed to violate or give rise to any duty or obligation to the Client. 

        14.    Investment by the Advisor for Its Own Account.    Nothing in this Agreement shall limit or restrict the Advisor
or any of its members, managers, officers, employees or affiliates from buying, 

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selling
or trading any securities for its or their own account or accounts. The Client acknowledges that the Advisor and its members, managers, officers, employees, affiliates and other clients may at
any time have, acquire, increase, decrease or dispose of securities which are at or about the same time acquired or disposed of for the account of the Client. The Advisor shall have no obligation to
purchase or sell for the Investment Account or to recommend for purchase or sale by the Investment Account any security that the Advisor or its members, managers, officers, employees or affiliates may
purchase or sell for itself or themselves or for any other client. 

        15.    Proxies.    Subject to any other written instructions of the Client, the Advisor is hereby appointed as the
Client's agent and attorney-in-fact in its discretion to vote, convert or tender in an exchange or tender offer any securities in the Investment Account, to execute proxies,
waivers, consents and other instruments with respect to such securities, to endorse, transfer or deliver such securities and to participate in or consent to any plan of reorganization, merger,
combination, consolidation, liquidation or similar plan with reference to such securities, and the Advisor shall not incur any liability to the Client by reason of any exercise of, or failure to
exercise, any such discretion. 

        16.    Notices.    All notices and instructions with respect to securities transactions or any other matters
contemplated by this Agreement shall be deemed duly given when delivered in writing, via electronic communications or deposited by first-class mail to the following addresses: (a) if to the
Advisor, at its address set forth above, Attention: Chief Financial Officer, or (b) if to the Client, at its address set forth above, Attention: Chief Financial Officer. The Advisor or the
Client may change its address or specify a different manner of addressing itself by giving notice of such change in writing to the other party. 

        17.    Entire Agreement; Amendment.    This Agreement sets forth the entire agreement of the parties with respect to
management of the Investment Account, supersedes any previous Investment Management Agreement between the Advisor and the Client and shall not be amended except by an instrument in writing signed by
the parties hereto. 

        18.    Arbitration.    Any controversy or claim arising out of or relating to this Agreement, or the breach of the
same, shall be settled by arbitration in accordance with the rules of the American Arbitration Association, and judgment upon the award rendered by the arbitrators may be entered in any court having
jurisdiction. All arbitration expenses shall be borne equally by the Advisor and the Client. 

        19.    Termination.    This Agreement shall continue in force in accordance with paragraph 21,  Effective Date and Term of this
Agreement. During such term, this Agreement may be terminated by the Client upon written notice to the Advisor at least
sixty (60) days prior to the date upon which such termination is to become effectively only (i) for cause (including material non-performance by the Advisor), (ii) if
there is a change in control of the Advisor (for this purpose, a change in control represents 50% or more of voting interest of the Advisor) or (iii) if White Mountains Insurance
Group, Ltd.'s voting interest in Client falls below 50%. Following the end of the initial fixed term and any extensions, as provided by paragraph 21, Effective
Date and Term of this Agreement, the Agreement may be terminated by either party without penalty by written notice to the other party at least sixty (60) days prior to
the date upon which such termination is to become effective, provided that the Client shall honor any trades executed but not settled before the date of any such termination. Upon termination of this
Agreement, any accrued and unpaid Management Fee and Treasury Management Fee hereunder shall be paid by the Client to the Advisor. 

        20.    Governing Law.    To the extent that the interpretation or effect of this Agreement shall depend on state law,
this Agreement shall be governed by and construed in accordance with the laws of the State of New York. 

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        21.    Effective Date and Term.    This Agreement shall become effective on the first date written above for an
initial fixed term of three years, which will be extendible by the Client for an additional one year (a fourth year) at/prior to the end of the second year of the term, and if so extended, for a
second additional year (a fifth year) at/prior to the end of the third year of the term. 

        22.    Receipt of Disclosure Statement.    The Client acknowledges receipt of a copy of Part II of the
Advisor's Form ADV in compliance with Rule 204-3(b) under the Investment Advisers Act of 1940, as amended, more than 48 hours prior to the date of execution of this
Agreement. The Advisor shall annually and without charge, upon request by the Client, deliver to the Client the current version of such form or a written document containing at least the information
then required to be contained in such form. 

        23.    Counterparts.    This Agreement may be executed in two counterparts, each one of which shall be deemed to be an
original. 

        IN
WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by their respective duly authorized representatives as of the date first written above. 

	ADVISER:

   

WHITE MOUNTAINS ADVISORS LLC

   
 	 	CLIENT

   

[        ]

   
 
	By:	 
	 	By:	 

	Print:	Mark J. Plourde
	 	Print:	 

	Title:	Chief Financial Officer and Treasurer
	 	Title:	 

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SCHEDULE B  

FEE SCHEDULE  

	1.
	Investment Account.  

	Assets Under Management
 
	 	Value
	 	Annual Fee
	 	Quarterly Fee

	Investment Grade Fixed Income:	 	 	 	 	 	 
	 	—Up to $999 million	 	Market	 	10.0 basis points

(0.1% or 0.001)	 	2.5 basis points

(0.025% or 0.00025)
	 	—Next $1—$1.1999 billion	 	Market	 	8.5 basis points	 	2.125 basis points
	 	—Amounts over $2 billion	 	Market	 	7.5 basis points	 	1.875 basis points
	High Yield Debt	 	Market	 	25.0 basis points	 	6.25 basis points
	Fully Funded Hedge Funds, Limited Partnerships and Limited Liability Companies	 	Market	 	100.0 basis points	 	25.0 basis points
	Private Equities and Other Deferred Fundings:	 	 	 	 	 	 
	 	—First 2 Years of Fund's Life	 	Committed	 	100.0 basis points	 	25.0 basis points
	 	—Thereafter	 	Market	 	100.0 basis points	 	25.0 basis points

For
purposes of calculating the fee for Investment Grade Fixed Income investments as provided above, the assets under management of OneBeacon Insurance Group, Ltd. and all of its direct and
indirect subsidiaries will be aggregated. 

	2.
	Treasury Management Services.    The Advisor will be paid a quarterly fee for the Treasury Management Services computed at the
annual rate of 1.75 basis points (0.0175%) of the aggregate value of the net assets of the Client's Investment Account on an annual basis utilizing the methodologies described in Paragraph 1 of
Exhibit A. In the first year of the Agreement, the Treasury Management Services fee shall not exceed $500,000 on an annual basis. 

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Exhibit 10.2.4

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