Exhibit 99.1

ARES CAPITAL CORPORATION SCHEDULES EARNINGS RELEASE FOR

THE QUARTER ENDED SEPTEMBER 30, 2013

NEW YORK, NY — October 10, 2013 — Ares Capital Corporation (NASDAQ: ARCC) announced today that it will report earnings for the quarter ended September 30, 2013 on Tuesday, November 5, 2013. Ares Capital Corporation invites all interested persons to attend its webcast/conference call at 12:00 p.m. (Eastern Time) to discuss its third quarter 2013 financial results.

All interested parties are invited to participate via telephone or the live webcast, which will be hosted on a webcast link located on the Home page of the Investor Resources section of our website at http://www.arescapitalcorp.com. Please visit the website to test your connection before the webcast. Domestic callers can access the conference call by dialing (888) 317-6003. International callers can access the conference call by dialing +1 (412) 317-6061.  All callers will need to enter the Participant Elite Entry Number 6197392 followed by the # sign and reference “Ares Capital Corporation” once connected with the operator. All callers are asked to dial in 10-15 minutes prior to the call so that name and company information can be collected.  For interested parties, an archived replay of the call will be available approximately one hour after the end of the call through November 18, 2013 at 5:00 p.m. (Eastern Time) to domestic callers by dialing (877) 344-7529 and to international callers by dialing +1 (412) 317-0088.  For all replays, please reference conference number 10034529.  An archived replay will also be available on a webcast link located on the Home page of the Investor Resources section of our website.

ABOUT ARES CAPITAL CORPORATION

Ares Capital is a leading specialty finance company that provides one-stop financing solutions to U.S. middle market companies and private equity sponsors. The Company originates and invests in senior secured loans, mezzanine debt and, to a lesser extent, equity investments through its national direct origination platform. Ares Capital’s investment objective is to generate both current income and capital appreciation through debt and equity investments primarily in private companies. Ares Capital has elected to be regulated as a business development company, and is externally managed by a wholly owned subsidiary of Ares Management LLC. Ares Management is a global alternative asset manager and a SEC-registered investment adviser with approximately $66 billion of committed capital under management as of June 30, 2013 and pro forma for the acquisition of AREA Property Partners on July 1, 2013.  For more information, visit www.arescapitalcorp.com.

FORWARD-LOOKING STATEMENTS

Statements included herein or on the webcast/conference call may constitute “forward-looking statements,” which relate to future events or our future performance or financial condition.  These statements are not guarantees of future performance, condition or results and involve a number of risks and uncertainties.  Actual results and condition may differ materially from those in the forward-looking statements as a result of a number of factors, including those described from time to time in our filings with the Securities and Exchange Commission.  Ares Capital Corporation undertakes no duty to update any forward-looking statements made herein or on the webcast/conference call.

AVAILABLE INFORMATION

Ares Capital Corporation’s filings with the Securities and Exchange Commission, press releases, earnings releases and other financial information are available on its website at www.arescapitalcorp.com.

CONTACT

Carl G. Drake

Ares Capital Corporation

888-818-5298