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August 23, 2018
To whom it may concern:
Rehabilitation Debtor: MtGox Co., Ltd.
Rehabilitation Trustee: Nobuaki Kobayashi, Attorney-at-law
Q&As for Filing Proofs of Rehabilitation Claim
The Rehabilitation Trustee hereby lists questions and answers related to users (“Users”)
of the Bitcoin exchange of MtGox Co., Ltd. (“MTGOX”) and other creditors filing proofsof rehabilitation claim with respect to claims for return of cryptocurrency and money
against MTGOX (“Exchange-Related Rehabilitation Claim(s)”), so please refer hereto
when filing proofs of Exchange-Related Rehabilitation Claim.
A guideline for how to use the Online Method and for how to use the Offline Method isreferenced at the following links, so please also refer to these when filing proofs of
Exchange-Related Rehabilitation Claim:- How to Use Online Method:
https://www.mtgox.com/img/pdf/201808_online_how_to_en.pdf- How to Use Offline Method:
https://www.mtgox.com/img/pdf/201808_offline_how_to_en.pdf* When you read the guidelines, please download the guidelines fromthe above link and read them with Adobe Acrobat Reader DC.
No. 1 Questions about methods for filing proofs of rehabilitation claim
Q1-1 It seems that there are multiple methods for filing proofs of rehabilitation claim.
What methods are available?
A1-1 The three following methods are available to file proofs of Exchange-Related
Rehabilitation Claim:(1) A method in which a system on which, among others, proofs of rehabilitation claim(2)

can be filed for Exchange-Related Rehabilitation Claim (the “System”) is used tofile proofs of Exchange-Related Rehabilitation Claim (the “Online Method”);
A method in which proofs of rehabilitation claim are filed for Exchange-Related
Rehabilitation Claim on a website using the same content as that for the proof of1

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bankruptcy claim that you filed (excluding some information), if you filed a proofof bankruptcy claim at the time of the bankruptcy proceedings by using a systemon which proofs of bankruptcy claim were able to be filed for exchange-related
bankruptcy claims but you failed to set up the two-step authentication on the(3)System (the “Supplementary Online Method”); orA method in which a form to file proofs of rehabilitation claim designated by theRehabilitation Trustee is downloaded, necessary items are entered into it with acomputer, and then, after printing it out and writing a signature, or affixing a nameand seal, it is sent by post to the office of Rehabilitation Trustee (the “OfflineMethod”).

Q1-2 Which method is best for me to use to file a proof of rehabilitation claim?
A1-2 A proof of rehabilitation claim is to be filed by following the screen display of theSystem (https://claims.mtgox.com/). The flowchart to choose the method forfiling a proof of rehabilitation claim for Exchange-Related Rehabilitation Claims
is as follows:(1) For Users who filed a proof of bankruptcy claim using the claims filing system inthe bankruptcy proceedings→ Please select a method for filing a proof of rehabilitation claim by following theflowchart below.
You filed a proof of bankruptcy claim using
the claims filing system in the bankruptcy
proceedings

Can you log in to theSystem?

YesCan you set up the two-stepauthentication?

Yes
Online Method

NoIn principle
Supplementary Online Method
No2

Offline Method

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Exception(2)

For Creditors, including Users, with respect to Exchange-Related Rehabilitation
Claims who have not completed filing proofs of bankruptcy claim by the deadline
for claims investigation in the bankruptcy proceedings (i.e., May 25, 2016)→ Please select a method for filing a proof of rehabilitation claim by following theflowchart below.

Note:

If in the bankruptcy proceedings you have not received an e-mail from thebankruptcy trustee notifying that the processing of your proof of bankruptcy
claim has been completed, then it is possible that filing your proof of thebankruptcy claim might not have been completed.

You did not file a proof of bankruptcy
claim in the bankruptcy proceedings
by May 25, 2016

Can you log in to theSystem?

Yes

Can you set the two-step

Yes
Online Methodauthentication?
NoNo
Offline Method(3)

For Users who have completed filing proofs of bankruptcy claim offline by thedeadline for claims investigation in the bankruptcy proceedings (i.e., May 25,2016); andUsers or creditors of Exchange-Related Rehabilitation Claims other than those in(1) and (2) above3

[Translation for Reference Purpose Only]→ Please file a proof of rehabilitation claim with the Offline Method.

No. 2 Questions related to account balance on the Bitcoin exchange
Q2-1 When filing a proof of Exchange-Related Rehabilitation Claim, I would like tocheck the balance of money and/or Bitcoins registered in my account on
MTGOX’ exchange. How can I do this?
A2-1 By entering your username or e-mail address and password registered with
MTGOX’s exchange in the section titled “Sign in your MTGOX account to see
your wallet(s) balance”, you can check your balance of money and/or Bitcoins on
the MTGOX database that has reflected the claim investigations conducted thus far.
https://inquiry.mtgox.com/inquiry/index.php
No. 3

Questions related to the Online Method and the Supplementary Online
MethodQ3-1 I’ve lost my password to log in to the System. What should I do?
A3-1(1) For Users who have filed a proof of bankruptcy claim in the bankruptcy
proceedings by using the claims filing system
To log in to the System, the password registered in the claims filing system in thebankruptcy proceedings is required. If the password has been lost, please change
the password on the System.
(2) For Users who did not complete filing a proof of bankruptcy claim by May 25,
2016, in the bankruptcy proceedings
To log in to the System, the password registered in MTGOX’ exchange is required.
If this password has been lost, then you cannot file a proof of rehabilitation claimwith the Online Method. In that case, please use the Offline Method to file a proofof rehabilitation claim.
Q3-2 I have lost both my “username and e-mail address registered with MTGOX” forlogging in to the System. What should I do?

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A3-2 You cannot file a proof of rehabilitation claim with the Online Method. Please use
the Offline Method to file a proof of rehabilitation claim.
Q3-3 I have lost the contact e-mail address for setting up two-step authentication. Whatshould I do?
A3-3 You cannot file a proof of rehabilitation claim with the Online Method. Please use
the Supplementary Online Method to file a proof of rehabilitation claim.

Q3-4 I have initialized, or changed the model of, the smart phone or tablet on which theAuthenticator was set up. What should I do?
A3-4 By entering on the initialized device or new device the authentication code issued
when the Authenticator was set up, you can set up the Authenticator again. Theauthentication code is an alphanumeric string that you downloaded when the twostep authentication was being set up.
If the authentication code is lost, it is necessary to set up the Authenticator again
using the method stated in Q3-5, and additional time and effort will be required togo through the procedures. Please do not disclose your authentication code toanother person, and please store it carefully. Further, if you have changed yourdevice’s model for security reasons, then please uninstall the Authenticator fromyour old device.
Q3-5 I have lost my smart phone or tablet on which Authenticator was set up. Whatshould I do?
A3-5 It is necessary to disable the Authenticator you set up, so immediately contact thecall center to go through the disablement procedure.
After the Authenticator has been disabled by the Rehabilitation Trustee, a form forrequesting the Authenticator to be set up again will be sent to the contact e-mailaddress. Upon entering necessary items in the form, send it to by e-mail to theRehabilitation Trustee, together with an identity verification document. Once theperson’s identity has been verified, the Rehabilitation Trustee will initialize theAuthenticator’s settings. Set up the Authenticator again thereafter.
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Q3-6 The authentication code issued when setting up the Authenticator has been leaked
to a third party. What should I do?
A3-6 For security reasons, DO NOT disclose your authentication code to any third party
and please store it carefully at your own responsibility. If your authentication
code has been leaked to any third party, it is necessary to disable the Authenticator,
so contact the call center to go through the disablement procedure. The procedure
for re-setting up the Authenticator thereafter is stated in Q3-5.
Q3-7 If I used the Supplementary Online Method, then can I use the System in the future
as well?
A3-7 Creditors who filed a proof of rehabilitation claim with the Supplemental Online
Method cannot use the System thereafter. Please use the Offline Method for any
procedure including an amendment to proof of rehabilitation claim.

No. 4 Questions related to the Offline Method
Q4-1 Where can I obtain a form for filing a proof of rehabilitation claim using theOffline Method?
A4-1 Please download it from the following link:
https://claims.mtgox.com/

Q4-2 What the identity verification document that must be posted with the proof of
rehabilitation claim refers to?
A4-2 Identity verification documents include a copy of your passport, driver’s license,or other identity card. Please submit an identity verification document that contains
your photo copy and your name written in the English alphabet, if any.
Q4-3 To where should I send a proof of rehabilitation claim form in the case of filing by
the Offline Method?

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A4-3 Please send your proof of rehabilitation claim and relevant documents to thefollowing address by post:
MTGOX Co., Ltd Office of Rehabilitation Trustee
Suite 202, Kojimachi 3-chome Building
3-4-1 Kojimachi, Chiyoda-ku,
Tokyo Japan 102-0083
No. 5 Other questions
Q5-1 When is the deadline for filing proof of claims? If proof of claim is not filed by
the deadline, what will happen?
A5-1 The deadline for filing proofs of claims is October 22, 2018 (Japan time) (mustarrive by this date). If proof of claim is not filed by the deadline, thendisenfranchisement (i.e., loss of the right to claim) might apply, so please be careful.
Q5-2 When will I be informed of whether a filed claim has been approved or rejected?
A5-2 The planned deadline for the Rehabilitation Trustee to submit a statement ofapproval or rejection to the court is January 24, 2019, but, at the current point intime, a definite date has not been determined. Please refer to the following link for
the Civil Rehabilitation Proceedings schedule:
https://www.mtgox.com/img/pdf/20180622_announcement_en.pdf
Q5-3 In the future, will any functions be added to the System?
A5-3 We plan to add functions including a function that allows corporate creditors to file
proofs with the Online Method, procedures related to claim assignment using theOnline Method, and a function that allows the contact e-mail address to be changed.
Each function will be released as soon as it is ready.
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