DATED 2 April 2012 HAMMERSON (99 BISHOPSGATE) LIMITED and HAMMERSON UK PROPERTIES PLC and 99 BISHOPSGATE MANAGEMENT LIMITED and CRA INTERNATIONAL (UK) LIMITED and CRA INTERNATIONAL INC. AGREEMENT for the surrender of leases at 99 Bishopsgate, London EC2 Herbert Smith LLP 1

Clause

Headings

Page

1.

DEFINITIONS AND INTERPRETATION

1

2.

STANDARD CONDITIONS OF SALE

2

3.

AGREEMENT TO SURRENDER

4

4.

MODE OF SURRENDER

5

5.

REIMBURSEMENT OF RENT

5

6.

PLACE OF COMPLETION

5

7.

TENANT GUARANTOR

5

8.

LANDLORD GUARANTOR AND MANAGEMENT COMPANY

6

9.

EXCLUSION OF LANDLORD AND TENANT ACT 1954

6

10.

COSTS

6

11.

CONTINUING EFFECT OF AGREEMENT

6

12.

LANDLORD AND TENANT (COVENANTS) ACT 1995

6

13.

EXCLUSION OF THIRD PARTY RIGHTS

6

SIGNED by

)

Wayne D. Mackie

)

Director/Authorised Signatory

)

for and on behalf of the Tenant

)

/s/ Wayne D. Mackie

SIGNED by

)

Wayne D. Mackie

)

Director/Authorised Signatory

)

for and on behalf of the Tenant Guarantor

)

/s/ Wayne D. Mackie

SIGNED by

)

Peter Cole

)

Director/Authorised Signatory

)

for and on behalf of the Landlord

)

/s/ Peter Cole

SIGNED by

)

Peter Cole

)

Director/Authorised Signatory

)

for and on behalf of the Landlord Guarantor

)

)

/s/ Peter Cole

SIGNED by

)

Director

)

Director/Authorised Signatory

)

for and on behalf of the

)

Management Company

)

)

/s/ Peter Cole

Leave blank if not yet registered.

1

Title number(s) of the property: NGL890508

Insert address including postcode (if any) or other description of the property, for example ‘land adjoining 2 Acacia Avenue’.

2

Property:

24th Floor at 99 Bishopsgate, London EC2 as more particularly described in the Lease (as defined in panel 11 below)

3

Date: [                                   ] 2012

Give full name(s).

Complete as appropriate where the transferor is a company.

4

Transferor:

CRA INTERNATIONAL (UK) LIMITED whose registered office is at 99 Bishopsgate, London EC2M 3XD

For UK incorporated companies/LLPs

Registered number of company or limited liability partnership including any prefix: 04007726

For overseas companies

(a)     Territory of incorporation:

(b)     Registered number in the United Kingdom including any prefix:

Give full name(s).

Complete as appropriate where the transferee is a company. Also, for an overseas company, unless an arrangement with Land Registry exists, lodge either a certificate in Form 7 in Schedule 3 to the Land Registration Rules 2003 or a certified copy of the constitution in English or Welsh, or other evidence permitted by rule 183 of the Land Registration Rules 2003.

5

Transferee for entry in the register:

HAMMERSON (99 BISHOPSGATE) LIMITED

For UK incorporated companies/LLPs

Registered number of company or limited liability partnership including any prefix: 06663603

For overseas companies

(a)     Territory of incorporation:

(b)     Registered number in the United Kingdom including any prefix:

Each transferee may give up to three addresses for service, one of which must be a postal address whether or not in the UK (including the postcode, if any). The others can be any combination of a postal address, a UK DX box number or an electronic address.

6

Transferee’s intended address(es) for service for entry in the register:

10 Grosvenor Street, London W1K 4BJ

7

The transferor transfers the property to the transferee

Place ‘X’ in the appropriate box. State the currency unit if other than sterling. If none of the boxes apply, insert an appropriate memorandum in panel 11.

8

Consideration

x     The transferee has received from the transferor for the transfer and surrender and release referred to in clauses 7 and 11.2 the following sum (in words and figures):

Four hundred thousand pounds (£400,000) (inclusive of VAT (if any))

o      The transfer is not for money or anything that has a monetary value

o      Insert other receipt as appropriate:

Place ‘X’ in any box that applies.

9

The transferor transfers with

Add any modifications.

x     full title guarantee

o      limited title guarantee

The covenant set out in Section 3 of the Law of Property (Miscellaneous Provisions) Act 1994 shall not extend to any matters to which the transfer is expressed to be subject pursuant to the terms of the agreement for this surrender made between the transferor and transferee and dated                              2012

Where the transferee is more than one person, place ‘X’ in the appropriate box.

10

Declaration of trust. The transferee is more than one person and

o      they are to hold the property on trust for themselves as joint tenants

o      they are to hold the property on trust for themselves as tenants in common in equal shares

Complete as necessary.

o      they are to hold the property on trust:

Insert here any required or permitted statement, certificate or application and any agreed covenants, declarations and so on.

11               Additional provisions

11.1            Definitions and Interpretation

11.1.1         In this transfer

“Landlord Guarantor” means: HAMMERSON U.K. PROPERTIES PLC whose registered office is at 10 Grosvenor Street, London W1K 4BJ (Co. Regn. No.298351);

“Lease” means the underlease of the Property dated 1 November 2007 made between (1) 99 Bishopsgate (No.1) Limited and 99 Bishopsgate (No.2) Limited (2) 99 Bishopsgate Management Limited (3) Hammerson U.K. Properties Plc (4) CRA International (UK) Limited and (5) CRA International, Inc. and includes all documents varying, supplemental or collateral to it;

“Management Company” means 99 BISHOPSGATE MANAGEMENT LIMITED whose registered office is at 10 Grosvenor Street, London W1K 4BJ (Co. Regn. No ###-###-####);

“Tenant Guarantor” means CRA INTERNATIONAL, INC. whose registered office is at John Hancock Tower, T.33,

   200 Clarendon Street, Boston MA 02116.

“Dilapidations Payment” means the sum of Three Hundred and Fifty Thousand pounds (£350,000) inclusive of VAT

11.1.2         Words importing the singular include the plural and vice versa and words importing one gender include both other genders.

11.1.3         Where a party comprises more than one person covenants and obligations of that party take effect as joint and several covenants and obligations.

11.2            Surrender and Release

The transfer of the property by the transferor to the transferee shall effect a surrender and release by the transferor to the transferee of all its estate and interest in the Lease and all or any other estate and interest or rights of the transferor in the property whether granted by or arising from the Lease to the intent that the same shall merge and be extinguished in the reversion expectant on the determination of the term of years granted by the Lease with effect from and including the date of this transfer.

The transferee accepts the surrender.

11.3            Release of Transferor and Tenant Guarantor

The transferee releases the transferor and Tenant Guarantor from all obligations on their respective parts contained in and all liabilities whatsoever under the Lease (whether past present or future).

11.4            Release of Transferee, Landlord Guarantor and Management Company

The transferor releases the transferee the Landlord Guarantor and the Management Company from all obligations on their respective parts contained in and all liabilities whatsoever under the Lease (whether past present or future).

11.5            Dilapidations Payment

The transferee acknowledges receipt of the Dilapidations Payment from the transferor on or prior to the date hereof in full and final settlement of all obligations owed by the transferor to the transferee in relation to the state of repair and condition of the Property whether pursuant to the Lease or otherwise

General Provisions

11.6         The transferee and transferor each warrant to each other that they have obtained from any mortgagee of their respective interests in the Property such consents to the surrender evidenced by this Transfer as may be requisite and the Transferee confirms to the Transferor that no such consent is required from the reversioner to its interest in the Property.

11.7         This Transfer may be executed in any number of counterparts and by the parties to it on separate counterparts each of which is an original but all of which together constitute one and the same instrument

11.8         No person other than a contracting party may enforce any provision of this Transfer by virtue of the Contracts (Rights of Third Parties) Act 1999.

The transferor must execute this transfer as a deed using the space opposite. If there is more than one transferor, all must execute. Forms of execution are given in Schedule 9 to the Land Registration Rules 2003. If the transfer contains transferee’s covenants or declarations or contains an application by the transferee (such as for a restriction), it must also be executed by the transferee.

12

Execution

EXECUTED AS A DEED by

CRA INTERNATIONAL (UK)

LIMITED acting by one director

in the presence of:

Director

Signature of Witness:

Name of Witness:

Address:

Occupation

SIGNED as a DEED on behalf of CRA

)

INTERNATIONAL, INC. a company

)

Incorporated in Massachusetts, by

)

)

being a persons who, in accordance with the laws

)

of that territory, is acting under the authority of

)

the company

Authorised signatory

EXECUTED AS A DEED by

HAMMERSON (99 BISHOPSGATE)

LIMITED acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

EXECUTED AS A DEED by

99 BISHOPSGATE MANAGEMENT

LIMITED acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

EXECUTED AS A DEED by

HAMMERSON UK PROPERTIES

PLC acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

Leave blank if not yet registered.

1

Title number(s) of the property: NGL878165

Insert address including postcode (if any) or other description of the property, for example ‘land adjoining 2 Acacia Avenue’.

2

Property:

25th Floor at 99 Bishopsgate, London EC2 as more particularly described in the Lease (as defined in panel 11 below)

3

Date: [                                   ] 2012

Give full name(s).

Complete as appropriate where the transferor is a company.

4

Transferor:

CRA INTERNATIONAL (UK) LIMITED whose registered office is at 99 Bishopsgate, London EC2M 3XD

For UK incorporated companies/LLPs

Registered number of company or limited liability partnership including any prefix: 04007726

For overseas companies

(a)     Territory of incorporation:

(b)     Registered number in the United Kingdom including any prefix:

Give full name(s).

Complete as appropriate where the transferee is a company. Also, for an overseas company, unless an arrangement with Land Registry exists, lodge either a certificate in Form 7 in Schedule 3 to the Land Registration Rules 2003 or a certified copy of the constitution in English or Welsh, or other evidence permitted by rule 183 of the Land Registration Rules 2003.

5

Transferee for entry in the register:

HAMMERSON (99 BISHOPSGATE) LIMITED

For UK incorporated companies/LLPs

Registered number of company or limited liability partnership including any prefix: 06663603

For overseas companies

(a)     Territory of incorporation:

(b)     Registered number in the United Kingdom including any prefix:

Each transferee may give up to three addresses for service, one of which must be a postal address whether or not in the UK (including the postcode, if any). The others can be any combination of a postal address, a UK DX box number or an electronic address.

6

Transferee’s intended address(es) for service for entry in the register:

10 Grosvenor Street, London W1K 4BJ

7

The transferor transfers the property to the transferee

Place ‘X’ in the appropriate box. State the currency unit if other than sterling. If none of the boxes apply, insert an appropriate memorandum in panel 11.

8

Consideration

o      The transferee has received from the transferor for the transfer and surrender and release referred to in clauses 7 and 11.2 the following sum (in words and figures):

[        ] (£[                 ]) (plus VAT)

x     The transfer is not for money or anything that has a monetary value

o      Insert other receipt as appropriate:

Place ‘X’ in any box that applies.

9

The transferor transfers with

Add any modifications.

x     full title guarantee

o      limited title guarantee

The covenant set out in Section 3 of the Law of Property (Miscellaneous Provisions) Act 1994 shall not extend to any matters to which the transfer is expressed to be subject pursuant to the terms of the agreement for this surrender made between the transferor and transferee and dated                              2012

Where the transferee is more than one person, place ‘X’ in the appropriate box.

10

Declaration of trust. The transferee is more than one person and

o      they are to hold the property on trust for themselves as joint tenants

o      they are to hold the property on trust for themselves as tenants in common in equal shares

Complete as necessary.

o      they are to hold the property on trust:

Insert here any required or permitted statement, certificate or application and any agreed covenants, declarations and so on.

11               Additional provisions

11.1            Definitions and Interpretation

11.1.1         In this transfer

“Dilapidations Liability” means any liability of the Tenant to the Landlord under the Lease relating to the state and condition of the property (including, for the avoidance of doubt, any liability under licences for alterations or works) in relation to terminal dilapidations, whether relating to repair, decoration, reinstatement, breach of any statute, consequential losses or otherwise;

“Landlord Guarantor” means: HAMMERSON U.K. PROPERTIES PLC whose registered office is at 10 Grosvenor Street, London W1K 4BJ (Co. Regn. No.298351);

“Lease” means the underlease of the Property dated 1 March 2007 made between (1) 99 Bishopsgate (No.1) Limited and 99 Bishopsgate (No.2) Limited (2) 99 Bishopsgate Management Limited (3) Hammerson U.K. Properties Plc (4) CRA International (UK) Limited and (5) CRA International, Inc. and includes all documents varying, supplemental or collateral to it;

“Management Company” means 99 BISHOPSGATE MANAGEMENT LIMITED whose registered office is at 10 Grosvenor Street, London W1K 4BJ (Co. Regn. No ###-###-####);

“Tenant Guarantor” means CRA INTERNATIONAL, INC. whose registered office is at John Hancock Tower, T.33, 200 Clarendon Street, Boston MA 02116.

11.1.2      Words importing the singular include the plural and vice versa and words importing one gender include both other genders.

11.1.3      Where a party comprises more than one person covenants and obligations of that party take effect as joint and several covenants and obligations.

11.1.4      Where applicable any words and expressions defined in the Lease shall have the same meanings where used in clauses

11.1 to 11.5 of this Deed.

11.2         Surrender and Release

The transfer of the property by the transferor to the transferee shall effect a surrender and release by the transferor to the transferee of all its estate and interest in the Lease and all or any other estate and interest or rights of the transferor in the property whether granted by or arising from the Lease to the intent that the same shall merge and be extinguished in the reversion expectant on the determination of the term of years granted by the Lease with effect from and including the date of this transfer.

The transferee accepts the surrender.

11.3         Release of Transferor and Tenant Guarantor

The transferee releases the transferor and Tenant Guarantor from all obligations on their respective parts contained in and all liabilities whatsoever under the Lease (whether past present or future).

11.4         Release of Transferee, Landlord Guarantor and Management Company

The transferor releases the transferee the Landlord Guarantor and the Management Company from all obligations on their respective parts contained in and all liabilities whatsoever under the Lease (whether past present or future).

11.5         Continuing Obligations

11.5.1      The release contained in clause 11.3 shall not apply to any Dilapidations Liability of the Tenant and the Tenant shall remain liable for any Dilapidations Liability.

11.5.2      The release contained in clauses 11.3 and 11.4 shall not apply to any outstanding obligations on the part of the Landlord and/or the Tenant contained in the Lease to account to one another (as applicable) if a proportionate part of the Service Charge for the number of days in the last Accounting Period exceeds or is less than the Interim Sum paid by the Tenant and the Landlord and the Tenant shall each remain liable for the observance and performance of such obligations as set out under the Lease.

General Provisions

11.6      The transferee and transferor each warrant to each other that they have obtained from any mortgagee of their respective interests in the Property such consents to the surrender evidenced by this Transfer as may be requisite and the Transferee confirms to the Transferor that no such consent is required from the reversioner to its interest in the Property.

11.7      This Transfer may be executed in any number of counterparts and by the parties to it on separate counterparts each of which is an original but all of which together constitute one and the same instrument

11.8      No person other than a contracting party may enforce any provision of this Transfer by virtue of the Contracts (Rights of Third Parties) Act 1999.

The transferor must execute this transfer as a deed using the space opposite. If there is more than one transferor, all must execute. Forms of execution are given in Schedule 9 to the Land Registration Rules 2003. If the transfer contains transferee’s covenants or declarations or contains an application by the transferee (such as for a restriction), it must also be executed by the transferee.

12

Execution

EXECUTED AS A DEED by

CRA INTERNATIONAL (UK)

LIMITED acting by one director

in the presence of:

Director

Signature of Witness:

Name of Witness:

Address:

Occupation

SIGNED as a DEED on behalf of CRA

)

INTERNATIONAL, INC. a company

)

Incorporated in Massachusetts, by

)

)

being a person who, in accordance with the laws

)

of that territory, is acting under the authority of

)

the company

Authorised signatory

EXECUTED AS A DEED by

HAMMERSON (99 BISHOPSGATE)

LIMITED acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

EXECUTED AS A DEED by

99 BISHOPSGATE MANAGEMENT

LIMITED acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

EXECUTED AS A DEED by

HAMMERSON UK PROPERTIES

PLC acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

Leave blank if not yet registered.

1

Title number(s) of the property: NGL878166

Insert address including postcode (if any) or other description of the property, for example ‘land adjoining 2 Acacia Avenue’.

2

Property:

26th Floor at 99 Bishopsgate, London EC2 as more particularly described in the Lease (as defined in panel 11 below)

3

Date: [                                   ] 2012

Give full name(s).

Complete as appropriate where the transferor is a company.

4

Transferor:

CRA INTERNATIONAL (UK) LIMITED whose registered office is at 99 Bishopsgate, London EC2M 3XD

For UK incorporated companies/LLPs

Registered number of company or limited liability partnership including any prefix: 04007726

For overseas companies

(a)     Territory of incorporation:

(b)     Registered number in the United Kingdom including any prefix:

Give full name(s).

Complete as appropriate where the transferee is a company. Also, for an overseas company, unless an arrangement with Land Registry exists, lodge either a certificate in Form 7 in Schedule 3 to the Land Registration Rules 2003 or a certified copy of the constitution in English or Welsh, or other evidence permitted by rule 183 of the Land Registration Rules 2003.

5

Transferee for entry in the register:

HAMMERSON (99 BISHOPSGATE) LIMITED

For UK incorporated companies/LLPs

Registered number of company or limited liability partnership including any prefix: 06663603

For overseas companies

(a)     Territory of incorporation:

(b)     Registered number in the United Kingdom including any prefix:

Each transferee may give up to three addresses for service, one of which must be a postal address whether or not in the UK (including the postcode, if any). The others can be any combination of a postal address, a UK DX box number or an electronic address.

6

Transferee’s intended address(es) for service for entry in the register:

10 Grosvenor Street, London W1K 4BJ

7

The transferor transfers the property to the transferee

Place ‘X’ in the appropriate box. State the currency unit if other than sterling. If none of the boxes apply, insert an appropriate memorandum in panel 11.

8

Consideration

o      The transferee has received from the transferor for the transfer and surrender and release referred to in clauses 7 and 11.2 the following sum (in words and figures):

[        ] (£[                 ]) (plus VAT)

x     The transfer is not for money or anything that has a monetary value

o      Insert other receipt as appropriate:

Place ‘X’ in any box that applies.

9

The transferor transfers with

Add any modifications.

x     full title guarantee

o      limited title guarantee

The covenant set out in Section 3 of the Law of Property (Miscellaneous Provisions) Act 1994 shall not extend to any matters to which the transfer is expressed to be subject pursuant to the terms of the agreement for this surrender made between the transferor and transferee and dated                              2012

Where the transferee is more than one person, place ‘X’ in the appropriate box.

10

Declaration of trust. The transferee is more than one person and

o      they are to hold the property on trust for themselves as joint tenants

o      they are to hold the property on trust for themselves as tenants in common in equal shares

Complete as necessary.

o      they are to hold the property on trust:

Insert here any required or permitted statement, certificate or application and any agreed covenants, declarations and so on.

11               Additional provisions

11.1            Definitions and Interpretation

11.1.1         In this transfer

“Dilapidations Liability” means any liability of the Tenant to the Landlord under the Lease relating to the state and condition of the property (including, for the avoidance of doubt, any liability under licences for alterations or works) in relation to terminal dilapidations, whether relating to repair, decoration, reinstatement, breach of any statute, consequential losses or otherwise;

“Landlord Guarantor” means: HAMMERSON U.K. PROPERTIES PLC whose registered office is at 10 Grosvenor Street, London W1K 4BJ (Co. Regn. No.298351);

“Lease” means the underlease of the Property dated 1 March 2007 made between (1) 99 Bishopsgate (No.1) Limited and 99 Bishopsgate (No.2) Limited (2) 99 Bishopsgate Management Limited (3) Hammerson U.K. Properties Plc (4) CRA International (UK) Limited and (5) CRA International, Inc. and includes all documents varying, supplemental or collateral to it;

“Management Company” means 99 BISHOPSGATE MANAGEMENT LIMITED whose registered office is at 10 Grosvenor Street, London W1K 4BJ (Co. Regn. No ###-###-####);

“Tenant Guarantor” means CRA INTERNATIONAL, INC. whose registered office is at John Hancock Tower, T.33, 200 Clarendon Street, Boston MA 02116.

11.1.2      Words importing the singular include the plural and vice versa and words importing one gender include both other genders.

11.1.3      Where a party comprises more than one person covenants and obligations of that party take effect as joint and several covenants and obligations.

11.1.4      Where applicable any words and expressions defined in the Lease shall have the same meanings where used in clauses

11.1 to 11.5 of this Deed.

11.2         Surrender and Release

The transfer of the property by the transferor to the transferee shall effect a surrender and release by the transferor to the transferee of all its estate and interest in the Lease and all or any other estate and interest or rights of the transferor in the property whether granted by or arising from the Lease to the intent that the same shall merge and be extinguished in the reversion expectant on the determination of the term of years granted by the Lease with effect from and including the date of this transfer.

The transferee accepts the surrender..

11.3         Release of Transferor and Tenant Guarantor

The transferee releases the transferor and Tenant Guarantor from all obligations on their respective parts contained in and all liabilities whatsoever under the Lease (whether past present or future).

11.4         Release of Transferee, Landlord Guarantor and Management Company

The transferor releases the transferee the Landlord Guarantor and the Management Company from all obligations on their respective parts contained in and all liabilities whatsoever under the Lease (whether past present or future).

11.5         Continuing Obligations

11.5.1      The release contained in clause 11.3 shall not apply to any Dilapidations Liability of the Tenant and the Tenant shall remain liable for any Dilapidations Liability.

11.5.2      The release contained in clauses 11.3 and 11.4 shall not apply to any outstanding obligations on the part of the Landlord and/or the Tenant contained in the Lease to account to one another (as applicable) if a proportionate part of the Service Charge for the number of days in the last Accounting Period exceeds or is less than the Interim Sum paid by the Tenant and the Landlord and the Tenant shall each remain liable for the observance and performance of such obligations as set out under the Lease.

General Provisions

11.6      The transferee and transferor each warrant to each other that they have obtained from any mortgagee of their respective interests in the Property such consents to the surrender evidenced by this Transfer as may be requisite and the Transferee confirms to the Transferor that no such consent is required from the reversioner to its interest in the Property.

11.7      This Transfer may be executed in any number of counterparts and by the parties to it on separate counterparts each of which is an original but all of which together constitute one and the same instrument

11.8      No person other than a contracting party may enforce any provision of this Transfer by virtue of the Contracts (Rights of Third Parties) Act 1999.

The transferor must execute this transfer as a deed using the space opposite. If there is more than one transferor, all must execute. Forms of execution are given in Schedule 9 to the Land Registration Rules 2003. If the transfer contains transferee’s covenants or declarations or contains an application by the transferee (such as for a restriction), it must also be executed by the transferee.

12

Execution

EXECUTED AS A DEED by

CRA INTERNATIONAL (UK)

LIMITED acting by one director

in the presence of:

Director

Signature of Witness:

Name of Witness:

Address:

Occupation

SIGNED as a DEED on behalf of CRA

)

INTERNATIONAL, INC. a company

)

Incorporated in Massachusetts, by

)

)

being a persons who, in accordance with the laws

)

of that territory, is acting under the authority of

)

the company

Authorised signatory

EXECUTED AS A DEED by

HAMMERSON (99 BISHOPSGATE)

LIMITED acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

EXECUTED AS A DEED by

99 BISHOPSGATE MANAGEMENT

LIMITED acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary

EXECUTED AS A DEED by

HAMMERSON UK PROPERTIES

PLC acting by [two directors]/

[a director and its company secretary]

Director

Director/Company Secretary