

May 25, 2013

OTCBB System Changes - 2/10/2010 12:00:00 AM

OTCBB Daily List

Other-OTC / Portal / PPS Daily List

OTCBB, Other-OTC and Portal Daily List

SYMBOL CHANGES

Updated

Date

Old Symbol

New Symbol

Name

Comment

16:24

2/11/2010

MKHD

MKHDD

Mount Knowledge Holdings,Inc. NEW Common Stock

22-1 F/S payable upon surrender; Refer to 2/8/10 DL; should have been announced concurrent with Name/Symbol Change of AROC to MKHD **

NAME/SYMBOL CHANGES

Updated

Date

Old Symbol

Old Name

New Symbol

New Name

Comment

13:11

2/11/2010

PORT

Porta Systems Corp. Common Stock

PORTD

Porta Systems Corp. NEW Common Stock

1-500 R/S **

All Security Symbols appended with an "E" will be ineligible for quotation and subject to removal from the OTCBB in 30 calendar days (60 days if denoted with a plus sign "+") if FINRA does not receive information indicating that the company is current in its public reporting obligations pursuant to Rule 6530.

** indicates NSCC Eligible Security (National Securities Clearing Corporation)

Questions concerning OTCBB changes should be directed to: FINRA Market Operations at (866)-776-0800.