| CUSIP No. | 594960106  | 
| 1 | NAMES OF REPORTING PERSONS. I.R.S. Identification Nos. of above persons (entities only). Highland Capital Management, L.P. | ||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | ||||
| (a)    o | |||||
| (b)    o | |||||
| 3 | SEC USE ONLY | ||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||
| Delaware | |||||
| 5 | SOLE VOTING POWER | ||||
| NUMBER OF | 6,224,433 | ||||
| SHARES | 6 | SHARED VOTING POWER | |||
| BENEFICIALLY | |||||
| OWNED BY | 643,777 | ||||
| EACH | 7 | SOLE DISPOSITIVE POWER | |||
| REPORTING | |||||
| PERSON | 6,224,433 | ||||
| WITH: | 8 | SHARED DISPOSITIVE POWER | |||
| 643,777 | |||||
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||
| 6,868,210 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||
| o | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | ||||
| 8.89% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||
| IA | |||||
| CUSIP No. | 594960106  | 
| 1 | NAMES OF REPORTING PERSONS. I.R.S. Identification Nos. of above persons (entities only). Strand Advisors, Inc. | ||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | ||||
| (a)    o | |||||
| (b)    o | |||||
| 3 | SEC USE ONLY | ||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||
| Delaware | |||||
| 5 | SOLE VOTING POWER | ||||
| NUMBER OF | 6,224,433 | ||||
| SHARES | 6 | SHARED VOTING POWER | |||
| BENEFICIALLY | |||||
| OWNED BY | 643,777 | ||||
| EACH | 7 | SOLE DISPOSITIVE POWER | |||
| REPORTING | |||||
| PERSON | 6,224,433 | ||||
| WITH: | 8 | SHARED DISPOSITIVE POWER | |||
| 643,777 | |||||
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||
| 6,868,210 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||
| o | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | ||||
| 8.89% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||
| CO | |||||
| CUSIP No. | 594960106  | 
| 1 | NAMES OF REPORTING PERSONS. I.R.S. Identification Nos. of above persons (entities only). James Dondero | ||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | ||||
| (a)    o | |||||
| (b)    o | |||||
| 3 | SEC USE ONLY | ||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||
| United States | |||||
| 5 | SOLE VOTING POWER | ||||
| NUMBER OF | 6,224,433 | ||||
| SHARES | 6 | SHARED VOTING POWER | |||
| BENEFICIALLY | |||||
| OWNED BY | 643,777 | ||||
| EACH | 7 | SOLE DISPOSITIVE POWER | |||
| REPORTING | |||||
| PERSON | 6,224,433 | ||||
| WITH: | 8 | SHARED DISPOSITIVE POWER | |||
| 643,777 | |||||
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||
| 6,868,210 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||
| o | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | ||||
| 8.89% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||
| IN | |||||
| CUSIP No. | 594960106  | 
| 1 | NAMES OF REPORTING PERSONS. I.R.S. Identification Nos. of above persons (entities only). Highland Credit Strategies Fund | ||||
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | ||||
| (a)    o | |||||
| (b)    þ | |||||
| 3 | SEC USE ONLY | ||||
| 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | ||||
| Delaware | |||||
| 5 | SOLE VOTING POWER | ||||
| NUMBER OF | 0 | ||||
| SHARES | 6 | SHARED VOTING POWER | |||
| BENEFICIALLY | |||||
| OWNED BY | 643,777 | ||||
| EACH | 7 | SOLE DISPOSITIVE POWER | |||
| REPORTING | |||||
| PERSON | 0 | ||||
| WITH: | 8 | SHARED DISPOSITIVE POWER | |||
| 643,777 | |||||
| 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | ||||
| 6,868,210 | |||||
| 10 | CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ||||
| o | |||||
| 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | ||||
| 8.89% | |||||
| 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | ||||
| OO | |||||
| 1.  | Name of Issuer | 
| 2.  | Address of Issuer’s Principal Executive Offices | 
| 1.  | Name of Person Filing | 
| 2.  | Address of Principal Business Office or, if None, Residence | 
| 3.  | Citizenship | 
| 4.  | Title of Class of Securities | 
| 5.  | CUSIP Number | 
| (a) | Amount Beneficially Owned: | 
| (b) | Percent of Class: | 
| (c) | Number of shares as to which the person has: | 
| (i) | Sole power to vote or to direct the vote: | 
| (ii) | Shared power to vote or to direct the vote: | 
| (iii) | Sole power to dispose or to direct the disposition of: | 
| (iv) | Shared power to dispose or to direct the disposition of: | 
| HIGHLAND CREDIT STRATEGIES FUND | ||||||||
| By: | /s/ James D. Dondero | |||||||
| James D. Dondero, President | ||||||||
| Highland Capital Management, L.P. | ||||||||
| By: Strand Advisors, Inc., its general partner | ||||||||
| By: | /s/ James D. Dondero | |||||||
| James D. Dondero, President | ||||||||
| Strand Advisors, Inc. | ||||||||
| By: | /s/ James D. Dondero | |||||||
| James D. Dondero, President | ||||||||
| James D. Dondero | ||||||||
| /s/ James D. Dondero | ||||||||