Maryland Code, Commercial Law § 9-525

(a) Except as otherwise provided in subsection (c), the fee for filing and indexing a record under this part, other than an initial financing statement of the kind described in § 9-502(c), is:

(b) The number of names required to be indexed does not affect the amount of the fee in subsection (a).

(c) This section does not require a fee with respect to a record of a mortgage which is effective as a financing statement filed as a fixture filing or as a financing statement covering as-extracted collateral or timber to be cut under § 9-502(c). However, the recording and satisfaction fees that otherwise would be applicable to the record of the mortgage apply.