The 22-year-old has made 82 appearances for the Latics since joining from Sheffield United on a free transfer in 2012.
"I'm delighted to sign my contract and cannot wait to get started next season," Brown told the club's official website.
Brown scored one goal in 29 games for Oldham during the 2013-14 campaign.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Barnet | 12 | 9 | 0 | 3 | 25 | 11 | 14 | 27 |
| 2 | York City | 12 | 7 | 4 | 1 | 18 | 6 | 12 | 25 |
| 3 | Forest Green RoversForest Green | 12 | 7 | 3 | 2 | 20 | 9 | 11 | 24 |
| 4 | Rochdale | 12 | 7 | 2 | 3 | 20 | 9 | 11 | 23 |
| 5 | Gateshead | 11 | 7 | 2 | 2 | 22 | 15 | 7 | 23 |
| 6 | Oldham AthleticOldham | 12 | 6 | 5 | 1 | 17 | 11 | 6 | 23 |
| 7 | Eastleigh | 12 | 6 | 3 | 3 | 19 | 15 | 4 | 21 |
| 8 | Sutton UnitedSutton | 12 | 5 | 4 | 3 | 19 | 16 | 3 | 19 |
| 9 | AltrinchamAltrincham | 12 | 5 | 3 | 4 | 15 | 15 | 0 | 18 |
| 10 | Dagenham & RedbridgeDag & Red | 12 | 4 | 5 | 3 | 20 | 13 | 7 | 17 |
| 11 | Halifax TownHalifax | 12 | 4 | 5 | 3 | 12 | 10 | 2 | 17 |
| 12 | Yeovil TownYeovil | 12 | 4 | 3 | 5 | 13 | 14 | -1 | 15 |
| 13 | Woking | 12 | 4 | 3 | 5 | 13 | 16 | -3 | 15 |
| 14 | Solihull MoorsSolihull | 12 | 4 | 3 | 5 | 14 | 18 | -4 | 15 |
| 15 | Aldershot TownAldershot | 12 | 3 | 5 | 4 | 17 | 17 | 0 | 14 |
| 16 | Southend UnitedSouthend | 12 | 3 | 5 | 4 | 17 | 17 | 0 | 14 |
| 17 | Tamworth | 11 | 4 | 2 | 5 | 12 | 19 | -7 | 14 |
| 18 | Hartlepool UnitedHartlepool | 12 | 3 | 4 | 5 | 7 | 11 | -4 | 13 |
| 19 | Maidenhead UnitedMaidenhead | 12 | 3 | 2 | 7 | 14 | 20 | -6 | 11 |
| 20 | Braintree TownBraintree | 12 | 2 | 4 | 6 | 6 | 13 | -7 | 10 |
| 21 | Boston UnitedBoston | 12 | 2 | 3 | 7 | 12 | 22 | -10 | 9 |
| 22 | Fylde | 12 | 2 | 3 | 7 | 13 | 24 | -11 | 9 |
| 23 | WealdstoneWealdstone | 12 | 1 | 5 | 6 | 9 | 17 | -8 | 8 |
| 24 | Ebbsfleet | 12 | 1 | 2 | 9 | 9 | 25 | -16 | 5 |
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