ELECTRONIC FILING INSTRUCTIONS SEC V. …

1 ELECTRONIC FILING INSTRUCTIONSSEC V. CITIGROUP Notes PLEASE READ In addition to these INSTRUCTIONS , please review the details set forth in the claim form and notice prior tosubmitting claims. These INSTRUCTIONS are in reference to investors who were identified in the related securities class action,entitledIn reCitigroup Inc. Securities Litigationpending in the US District Court for theSouthernDistrict of New York(the Class Action ). If you previously submitted claim(s) in connection with the Class Action, you may be entitled to share inthe proceeds of theCitigroup Fund. If you had claims that were automatically included in theFair Fund, you would have receivedan email onApril2, 2018with a listing of these previously filedclaims and their status with respect to the Fair Fund matter. Claimswould have been identified as ClassAction Authorized or Class Action Deficient . If you intend resolve any deficiencies for claims deemed Class Action Deficient , you must submitrelevant documentation or data revisions along with a description ofwhat you are trying to YOU DID NOT FILEA CLAIM IN THE PRIOR SETTLEMENT ORDID NOT RECEIVESTATUS INFORMATION FOR A PARTICULAR CLAIM OR ACCOUNT, YOU MAY FILE ANEW CLAIM BY FOLLOWING THESE INSTRUCTIONS AND REQUIREMENTSREVISIONS ORADDITIONAL TRANSACTIONSFOR A PREVIOUSLY FILED CLAIMMUSTBEPROVIDEDSEPARATELYFROM ANY NEW CLAIMS FILED If you are an institution or claim preparer FILING on behalf of client/customer accounts ( not anindividual claimant), you must provide a separate substitute w -9 form , (Part IV, Page 6 of the Proof ofClaim and Release form ) foreachof the client/customer accounts within your submission.

2 ELECTRONIC claim submissions apply to institutions or claim preparers FILING on behalf of multiple clientsorproprietaryaccounts, or to individuals FILING a large number of transactions who have requested orbeen requested to file claims SEC v. CitigroupInc. ELECTRONIC claim submissions MUST be accompanied by all documentation requirements outlined inSection IV ofthese INSTRUCTIONS . Please provide all trade dates inUSdate format(MM/DD/YYYY). Please provide the holdings and transactions of the eligible securities outlined in Section II in order toconform with these ELECTRONIC FILING SecuritiesCITIGROUP COMMON STOCK Beginning holdings are the number of shares ofCitigroup common stockheld at the beginning oftradingonFebruary 26,2007 Provideeach and everypurchase/acquisition and sale ofCitigroup common stockduring the periodfromFebruary 26, 2007 to July 17, 2008 inclusiveoOnly purchases or acquisitions made during the Relevant Period (February 26, 2007 through andincluding April 18, 2008)

3 Will be used tocalculate your Recognized LossoWith respect to shares of common stock issued pursuant to the Citigroup 1999 Stock IncentivePlan, as amended and restated effective April 19, 2005, including, but not limited to, throughCitigroup s Core Capital Accumulation Program, Supplemental Capital Accumulation Program,and Voluntary FA Capital Accumulation Program, the acquisition date is the date on which thegrant was awarded, and the price is the share price at which the grant was awarded on the awarddate during the Relevant Period Unsold holdings are the number of sharesCitigroup common stockheld at the close of trading on July17,2008 CITIGROUPPUT OPTIONS Provide each and every sale of Citigroup put options over Citigroup common stocksold betweenFebruary 26, 2007 to April 18, 2008 inclusiveoOnly putoptions of Citigroup that were assigned are eligible to participate for this litigation. Ifthe put option was not assigned, please do not provide this transaction on you data of Citigroup put options to open are not eligible and should not be provided on SEC v.

4 FA CAPS Beginning holdings are the number of shares of Citigroup FA Caps held at the beginning of trading onFebruary 26,2007 Provide each and every grant of FA CAPS granted on July 1, 2007, January 2, 2008, and/or July 1, 2008pursuant to Citigroup s Voluntary Capital Accumulation Program Awarded (the FA CAP Plan ) Unsold holdings are the number of CitigroupFA Capsheld at the close of trading on July 17, of SubmissionElectronic files will not be deemed properly submitted unless the Claims Administrator issues an email afterprocessing your file with your claim numbers and respective account information. Do not assume that your filehas been received until you receivethis email. If you do not receive such an email, you should contact theelectronic FILING department inquire about your file and confirm it was receivedand followingmethods are available for submitting your ELECTRONIC GCG ICE ( ) GCG ICE is GCG's secure and user-friendly website designed to meet the claim FILING needs ofinstitutional investorsand claim preparers1in securities class actions and similar GCG ICE , registered users have the ability to upload their ELECTRONIC claim submissionsdirectly and securely to GCG and the benefit of being able to view the history andstatus of thesesubmissions 24 hours a day, 7 days a week.

5 The history and status functionality features access toclaim numbers and specific claim rejection reasons, with INSTRUCTIONS on how to fix rejected claims. Please visit toregister today so you can benefit from this service in this settlementas well as other, future You may email your ELECTRONIC claim submission If you choose to emailyour file, you MUST also attach all documentation requirements in the emailas .pdf documents or GCG ICE was not designed for individuals, if you are an individual with a large number of transactions who requests oris requested to file claims electronically you may use this feature to file claims. Please contact the ELECTRONIC FILING Department forfurtherinformation related to using GCG ICE .4 SEC v. MAIL You may send your ELECTRONIC claim submission in the mail on a disk or CD along with all otherdocumentation requirements. Please use the Box address on top of page 1 of the Proof ofClaim and Release and add Attn: ELECTRONIC FILING Department.

6 If you need to send yoursubmission via Federal Express or UPS, you may use the below street address:SEC v. Citigroup : ELECTRONIC FILING Department5151 Blazer Parkway, Suite ADublin, OH RequirementsThe documentation requirements outlined belowmustbe submitted with your ELECTRONIC file. Your electronicclaims willnotbe considered valid until all documentation requirements are received. Please note that onesingle document may meet more than one ONE SIGNED PROOFOF CLAIM AND RELEASE You must complete theClaimant Identification Page, (Part I, Page 2) and Certification andSignature Page,(Part V, Pages 6 &7) of a single Proof of Claim and Release form , which will serveas an "umbrella" or master claim form for all accounts on your ELECTRONIC file. The claim formmustbe signed by an authorized signatory who is also listed on your signatureverification document and state the capacity (job title) of the signatory. You may reference the term "Various Accts" for the beneficial owner name if you are FILING onbehalf of multiple accounts or SIGNATURE VERIFICATION DOCUMENT If you are an institution or claim preparer FILING on behalf of client/customer or proprietary accounts( , not an individual claimant), you must provide a document verifying that the individual whosigned the claim form and any supplemental documents is authorized to sign on behalf of his/hercompany.

7 Some common types of documents that fulfill this requirement include the following (thislist is not exclusive and non-US entities mayhave different documents that fulfill this requirement. Ifyou are anon-US entity, you mustsubmit an equivalent document):-Copy of company's By-Laws, including signature page(s)-Copy of company's Corporate Resolution, including signature page(s)5 SEC v. Affidavit signed by an officer of the institution clearly granting a specificindividual(s) authorization or confirming his/her authority to sign on behalf of DATA VERIFICATION DOCUMENT(S) If you are an institution or claim preparer FILING on behalf of client/customer or proprietary accounts( not an individual claimant), you must provide a notarized affidavit or signed letter on firmletterhead which meets the below criteria:-Confirms the number of distinct accounts and transactions on your file-Discloses the source of your data ( data retention system)-Attests to the truth and accuracy of the transactions and holdings on your ELECTRONIC file-Is executed by an authorized signatory who is listed on your signature verification document,and specifies both the capacity and contact information of that AUTHORIZATION DOCUMENT(IF FILING ON BEHALFOF CLIENT ORCUSTOMER ACCOUNTS) If you are an institution or claim preparer FILING on behalf of client/customer accounts ( not anindividual claimant), you must provide a current document verifying that you are authorized to fileand sign claims on behalf of your common types of documents that fulfill thisrequirement include the following (this list is not exclusive and non-US entities mayhave differentdocuments that fulfill this requirement.)

8 If you are a non-US entity, you mustsubmit an equivalentdocument):-Power of Attorney-Service Agreement-Signed/dated letter on client's company letterhead specifically granting your companyauthority tofile/sign claims on their affidavit or signed letter on your company's letterhead confirming your authorityto file and sign claims on behalf of your clients. It must be executed by an officer of thecompany who is also listed on yoursignature verification document and reference thecapacity and contact information of the SEC v. W-9 form If you are an institution or claim preparer FILING on behalf of client/customer accounts ( not anindividual claimant), you must provide a separate substitute w -9 form , (Part IV, Page 6 of the Proofof Claim and Release form ) foreachof the client/customer accounts within your DOCUMENTATION (IF REQUESTED)-DATA INTEGRITY AUDITGCG may request random entities, as deemed appropriate by GCG, who file claims electronically to providedocumentation to support certain transactions and/or holdings in specific data integrity audit isdesigned to verify the overall integrity of a data , the documentation provided must beindependent in nature and sufficient to verify the validity and accuracy of the entire data if you provided a letter/affidavit attesting to the truth and accuracy of your data when initially submittingyour file electronically, we willrequirespecific documentary evidence (trade confirmations, monthlystatement, or equivalent)

9 To independently verify the details of the transactions and/or holdings requested, ifyour file is selected for a data integrity audit.*FAILURE TO COMPLY WITH THIS AUDIT REQUEST WILL RESULT IN THEREJECTION OFALL CLAIMS ON YOUR ELECTRONICSUBMISSION* FILING FormatGENERAL INSTRUCTIONS Files may be submitted as a fixed-length text file or an Excel spreadsheet Allfields in the below formatmustbe included on your file Any fields that do not apply to your filemustbe left blank (donotdelete any fields) Your filemustincludeoneheader row with column headings Your filemustbe sorted in the following order:oaccount numberosecurity identifierotransaction type Do notexceed maximum character lengths for anyfield Do notprovide any blank rows on your file Any files not in accordance with the below format are subject to rejection7 SEC v. CitigroupInc. For Excel spreadsheets:oWhenever possible, your file should be limited to one tab withallaccount and transactionaldataoThe Length column in the below format specifies the maximum number of characters foreach Excel fieldREQUIRED FILE LAYOUTCOLFIELDSTARTPOSITIONLENGTHNOTESAC ompany Name140 Name of Company for Mailing of Checks (see Address Notesbelow) Include a c/o before your company name if you requirechecks made out to the beneficial owner c/o your 14140 Address1 Information for Mailing of Checks (see Address Notesbelow)CAddress 28140 Address2 Information for Mailing of Checks(see Address Notesbelow)DCity12130 City for Mailing of Checks (see Address Notes below)EState15122 Character State Abbreviation for Mailing of Checks (see AddressNotes below)FZip515355 Digit Zip for Mailing of Checks (see Address Notesbelow)GZip415844 Digit Zip for Mailing of Checks (see Address Notes below)HCountry Code16222 character Country abbreviation (onlyfor foreign addresses)

10 ICustomer AcctName16440 Name of Account / Beneficial OwnerJCustomer AcctNumber20430 Account NumberKBeneficialOwner sSSNorTax ID Number2349 CompleteSocial Security Number or Tax ID Number (leavecolumn blank for foreign entities)LSecurityIdentifierNumber24314 CUSIP, ISIN, or SEDOL Number of the Securityfor commonstock transactionsOP for Put Option transactionsFA Cap Award for FA CAPSMT ransactionType2572B= Beginning HoldingsP= Purchase (includes purchases to cover short sales)S= Sale (includes short sales)U= Unsold (Ending) HoldingsR= Free Receipt (transfer in)D= Free Deliver (transfer out)Note: When inputting beginning and unsold holdings, the tradedate columnmustindicate the holding date. Price per share and netamount columnsmustbe left SEC v. Date25910 Trade date inMM/DD/YYYY format (including foreign entities)OQuantity26920 Number of shares associated with this transaction (this value canONLYbe negative for short beginning or ending holdingspositions)PPrice PerShare/Grant28920 Price ofeach Share This column should be blankONLY when providing beginningor ending holdings or shares involved in a receipt or Price30920 Total value of the transaction (lesscommissions and fees); This column should be blankONLY when providing beginningor ending holdings or shares involved in a receipt or Type3293 Type of currency associated to transaction (USD, EUR, GBP, etc.)