The Bank of New York Mellon

Attn: Voluntary Corporate Actions, COY: SQNB

P.O. Box 43011

Providence, RI 02940-3011

The Bank of New York Mellon

Attn: Voluntary Corporate Actions, COY: SQNB

150 Royall Street, Suite V

Canton, MA 02021

ADRs evidencing ADSs are not immediately available;

the procedure for book-entry tender cannot be completed prior to one minute after 11:59 p.m., New York City time, on the Expiration Date; or

time will not permit all required documents to reach the Tender Agent before one minute after 11:59, New York City time, on the Expiration Date.

Name(s) of
Record
Holders(s)*:                                                                                                                                                                                             

Number of
ADSs

Tendered**:                                                                                                                                                                                             

ADR Certificate No(s).

(if available or
applicable):                                                                                                                                                                                             

Area Code and
Telephone

Number(s):                                                                                                                                                                                               

Signature(s):                                                                                                                                                                                            

☐   Check if the ADSs that will be tendered are held on the books of The Bank of New York Mellon (the “ADS Depositary”) and provide the following:

Name of Tendering

Institution:                                                                                                                                                                                                

Area Code and

Telephone Number:                                                                                                                                                                              

Account

No.:                                                                                                                                                                                                             

Transaction

Code No.:                                                                                                                                                                                                 

Signature:                                                                                                                                                                                                  

Dated:

*   Please print or type the name and address of registered holders of (i) ADRs exactly as they appear on the ADRs or (ii) uncertificated ADSs on the books of the ADS Depositary exactly as they appear on the books of ADS Depositary.

**   Unless otherwise indicated, and subject to the terms and conditions of the Offer, a holder will be deemed to have tendered all ADSs owned by such holder.

The signatures on this Notice of Guaranteed Delivery must correspond to the exact name(s) of the registered holder(s) of (i) ADRs, as such name(s) appear on the ADRs, or (ii) uncertificated ADSs on the books of the ADS Depositary, exactly as such name(s) appear on the books of the ADS Depositary.

If signature is by a trustee, executor, administrator, guardian, attorney-in-fact, officer or other person acting in a fiduciary or representative capacity, such person must provide the following:

Name(s) (please type
or

print):                                                                                                                                                                                                      

Capacity (please type
or

print):                                                                                                                                                                                                      

Address(es) (please
type or

print):                                                                                                                                                                                                      

Signature(s):                                                                                                                                                                                            

Dated:

The undersigned, an Eligible Institution, hereby guarantees to deliver within two New York Stock Exchange (“NYSE”) trading days after the date of execution of this Notice of Guaranteed Delivery (but in any event no later than two NYSE trading days following the Expiration Date) to the Tender Agent a properly completed and duly executed ADS Letter of Transmittal, the ADRs for all of the physically tendered ADSs, in proper form for transfer, or a book-entry confirmation of tender of such ADSs through The Depository Trust Company (“DTC”) system, including delivery to the ADS Tender Agent of the Agent’s Message (as defined below) instead of an ADS Letter of Transmittal, as applicable, with any required signature guarantees and any other documents required by the ADS Letter of Transmittal.

The term “Agent’s Message” means a message transmitted to the Tender Agent by DTC, received by the Tender Agent and forming a part of a book-entry confirmation, that states that DTC has received an express acknowledgment from the participant tendering the ADSs that are the subject of such book-entry confirmation stating that such participant has received and agrees to be bound by the terms of the Offer to Purchase and the ADS Letter of Transmittal and that Purchaser may enforce such agreement against such participant.

The undersigned, a firm that is a member in good standing of a recognized Medallion Program approved by the Securities Transfer Association, Inc., including the Securities Transfer Agents Medallion Program (STAMP), the NYSE Medallion Signature Program or the Stock Exchanges Medallion Program (SEMP), or is otherwise an “eligible institution,” as that term is defined in Rule 17Ad-15 under the Securities Exchange Act of 1934, as amended (each of the foregoing being an “Eligible Guarantor Institution”), hereby guarantees to deliver within two New York Stock Exchange (“NYSE”) trading days after the date of execution of the Notice of Guaranteed Delivery (but in any event no later than two NYSE trading days following the Expiration Date) to the U.S. Tender Agent a properly completed and duly executed ADS Letter of Transmittal, the ADRs for all physically tendered ADSs, in proper form for transfer, or a book-entry confirmation of tender of such ADSs through the DTC system, including delivery to the U.S. Tender Agent of the Agent’s Message instead of an ADS Letter of Transmittal, as applicable, with any required signature guarantees and any other documents required by the ADS Letter of Transmittal.

Name of

Firm:

Title:

Dated: