The beneficiaries for life under the will of Thomas Dana having died and his grandson, the plaintiff Julian Dana de Cordova, having ¡survived and attained the age of twenty-one years, the defendants Weeks and Wellington, the trustees, were required by its provisions to “ pay over and distribute ” to him the “ remainder of the principal estate ” which amounts “ to upwards of $500,000.” *102But de Cordova having assigned his interest in the fund as collateral security for certain claims due or which might become due from him to the defendants Bissell, Blunt and Butler, hereafter designated as the lenders, the original bill is brought for an accounting to determine the indebtedness, and when it has been ascertained and deducted; that the remainder may be paid over to him, the note surrendered and the assignment discharged.
The material facts are not in dispute. The plaintiff, by profession a lawyer but not then engaged in practice, borrowed of the lenders $40,000 for which he gave his promissory note of the following tenor:
“ $40,000.00 Boston, September 10, 1913. For value received, I, Julian Dana de Cordova, Promise to pay to Bissell- & Blunt and Howard F. Butler or order, the sum of forty thousand dollars ($40,000) in three (3) years from this date, with interest quarterly at the rate of eighteen (18) per centum per annum during said term, and for such further time as said principal sum, or any part thereof, shall remain unpaid, all interest unpaid at maturity to be added to and become a part of the principal and bear interest as herein provided for.” The bill was filed December 26, 1922, and on February 5, 1923, by agreement of parties the trustees paid to the lenders $170,000 on account, which is the first and only payment made on the note. But it is contended by them that notwithstanding this payment there is still due an approximate balance of more than $500,000 which the plaintiff obligated himself to pay by the terms of the note; and of the assignment to which we shall later refer.
The ascertainment and adjustment of the indebtedness under the contentions of the parties, as shown by the record, depends upon the rate of interest which is to be charged on the note, and under the stipulations in the assignment. The first question is whether interest on the note should be compounded quarterly on all sums then due, or whether it should be compounded only at the date fixed for payment of the principal. It must be decided on the terms of the note; and evidence of the application and negotia*103tians for the loan was excluded rightly. De Friest v. Bradley, 192 Mass. 346, 352. Butterick Publishing Co. v. Fisher, 203 Mass. 122, 132, 133.
It is settled by our own decision^ that the interest should not be computed by making quarterly rests. Shaw v. Norfolk County Railroad, 16 Gray, 407, 416. Hodgkins v. Price, 141 Mass. 162, 164. Tisbury v. Vineyard Haven Water Co. 193 Mass. 196, 198. While payable quarterly “ during said term,” the interest is also payable “ for such further time as said principal sum, or any part thereof, shall remain unpaid, all interest unpaid at maturity to be added to and become a part of the principal and bear interest as herein provided for.” The words, “ at maturity,” fix the determinable future time when the principal which is to include all accrued interest is thereafter to bear interest at the rate specified. It follows, that the single justice correctly ruled that on the face of the note, interest was to be compounded only at - maturity. The plaintiff also in compliance with the provisions of the assignment transferred three policies of insurance on his fife “ in the aggregate of one hundred thousand dollars ” as “ additional security for the payment of any and all sums which may be due on said . . . note.” It was further stipulated that he should pay the premiums as they became due, and if he defaulted the lenders were directed to make the payments for which they were to be reimbursed “ together with interest thereon computed in the same manner and at the same rate of interest as is provided for in said . . . note.” If at the end of four years from the date of the note the plaintiff’s debt had not been liquidated, he agreed to obtain additional insurance in companies satisfactory to the lenders to whom the policies were to be assigned and delivered, for a sum which added to the amount of insurance then in force would be sufficient “ to equal a sum equivalent to ten . . . per cent in excess of what may become due ... at the expiration of six . . . years from the date of said . . . note, including in said sum . . . any and all premiums on any and all of said policies . . . due during the said six . . . years period, together with interest upon said premiums computed *104as above provided for in case of non-payment.” The assignment also provides, that at the end of the period of six years he is to apply for further insurance every two years in advance until all the lenders’ demands had been satisfied. It was conceded by the plaintiff that after the assignment he made no further payments and obtained no additional insurance; and that the lenders during a period beginning August 6, 1914, and ending October 5, 1922, have paid the premiums of all policies issued on his life for which provision is made in the assignment. The date and amount, with the name of the company appears in the schedule annexed to the cross bill in which the lenders and Helen L. Trayes, to whom Butler transferred his interest in the note and assignment, ask to have their alleged claims established and the entire fund applied in payment.
But even if the lenders should be allowed interest only at the rate of eighteen per cent the second question is whether they are entitled to interest at the rate of thirty-six per cent on the amount of the note at maturity as well as on the sums due for premiums, computed after September 10, 1917, the date when the plaintiff inexcusably failed to comply with the demand for additional insurance. The clause in the assignment, under which the right to double the interest is asserted, is in these words, “ Any failure on my part to furnish such additional policies of life insurance shall give the right to the Lenders to charge interest upon all sums owing from me to the Lenders at the date of such default at double the rate of interest which the said indebtedness then bears.” The parties undoubtedly had the right to make their own contracts. The increased amount, however, to be paid on default being obviously greater than the damages for nonpayment of the note or moneys advanced for premiums, with interest at the rate of eighteen per cent which could be separately and readily calculated and exactly ascertained, the stipulation should not be held to have been intended as compensation or liquidated damages, or an agreement to pay a larger percentage for a continuance of the loan, and extension of time for repayment of advancements. See Chase v. Allen, 13 Gray, 42, 45; Lynde v. Thompson, 2 Allen, 456, 459, 460; *105Guerin v. Stacy, 175 Mass. 595, 597; French v. Bates, 149 Mass. 73; Union Estates Co. v. Adlon Construction Co. 221 N. Y. 183. We are accordingly of opinion, that the stipulation considered in connection with all the attendant circumstances should be deemed a penalty for the plaintiff’s nonperformance, which a court of equity will not enforce because it is unreasonable, unconscionable and oppressive. Merrill v. Merrill, 15 Mass. 488. Kellogg v. Curtis, 9 Pick. 534, 535. Higginson v. Weld, 14 Gray, 165, 172, 173. Fisk v. Gray, 11 Allen, 132. Wallis v. Carpenter, 13 Allen, 19, 25. Cushing v. Drew, 97 Mass. 445, 446. Ropes v. Upton, 125 Mass. 258,260. Makletzova v. Diaghileff, 227 Mass. 100,108. Hurd v. Dunsmore, 63 N. H. 171. Kemp v. Nickerbocker Ice Co. 69 N. Y. 45. Streeper v. Williams, 48 Penn. St. 450, 454. Bradstreet v. Baker, 14 R. I. 546. Krutz v. Robbins, 12 Wash. 7; 28 L. R. A. 676; 50 Am. St. Rep. 871. Tayloe v. Sandiford, 7 Wheat. 13. Benson v. Gibson, 3 Atk. 395. Astley v. Weldon, 2 B. & P. 346. Parker v. Butcher, L. R. 3 Eq. 762. In re Newman, 4 Ch. Div. 724, 731. 2 Story Eq. Jur. (13th. ed.) §§ 1314, 1316. The cross bill is to be dismissed; and a decree on the original bill with costs is to be entered ordering the defendants Bissell, Blunt, Butler and Trayes upon payment by the trustees of the balance of the plaintiff’s indebtedness to be computed in the county court, with interest at the rate of eighteen, per cent to the date of the decree, to surrender the note, discharge the assignment, and transfer the policies of life insurance to the plaintiff. And it is further ordered under the agreement of parties, that one half of said balance, being the portion as between themselves coming to the defendant Trayes, be paid into court to await the final decree in the pending suit of Mary J. Card v. Helen L. Trayes and others. Union Institution for Savings v. Boston, 129 Mass. 82.
Ordered accordingly.